If 76 is divided into four parts proportional to 7, 5, 3, 4, then the smallest part is ______
Given ratio = 7:5:3:4
Sum of the ratio terms = 7 + 5 + 3 + 4 = 19
∴ Smallest part = 319× 76 = 12
If 76 is divided into four parts proportional to 7 : 5 : 3 : 4, then the smallest part is ___