The phrase 'disproportionately larger' is correct and usable in written English.
You can use it to describe a size or amount that is much larger than is appropriate or reasonable. For example, "The wealthy have disproportionally larger share of the world's resources."
As great as the triumphs are, the woe on the other side seems disproportionately larger.
Because bonds tend to generate lower returns than stocks over time, expenses can take a disproportionately larger share of a bond fund's return.
That is because customers with better credit scores get disproportionately larger credit limits, points out David Robertson of the Nilson Report, which tracks the industry.
The attacks continued a pattern of violence across the country that is taking a disproportionately larger toll on ordinary citizens than on government and coalition forces.
And it will be protected from future retaliation by a provision that prevents Mr. Giuliani from imposing any funding cuts that are disproportionately larger than those affecting other major city-supported museums.
This deterrent effect was also disproportionately larger in a number of subgroups within the population, including ethnic minorities, and people who work in the military or in the health professions.
A recent report by the Institute for Public Policy Research found that Scotland received a disproportionately larger share of money per capita, compared with other parts of Britain, and suggested that the formula for allocating the money be recalculated.
It has a concentration of the liberal-minded and affluent Moscow intelligentsia that is disproportionately larger than that of other social networks, according to Ilya Faybisovich, a Facebook activist.
As the court record shows, the cuts were disproportionately larger — in terms of per-pupil reductions — for those poorer districts that have anemic local tax bases and that depend most heavily on state aid.
Even auto-enrolment – the new system that requires employers to provide employees with access to a workplace pension scheme and to contribute to that scheme – will exclude a disproportionately larger percentage of women than men because the employer's duty to auto-enrol employees is restricted to employees with a specified minimum income.
The Nobel Prizes, however, have allowed Sweden to play a disproportionately larger role in science for a small country because Swedish scientists learn from the extensive dossiers prepared by the Nobel committees that review the latest scientific research throughout the world.
