9514 1404 393
Answer:
A : B : C = 6 : 4 : 3
Explanation:
Maybe the simplest way to get there is to invert the coefficients:
A : B : C = 1/2 : 1/3 : 1/4
The least common denominator for these fractions is 12. Multiplying by 12 gives you ...
A : B : C = 6 : 4 : 3