ICSE Class 7 Answered
Find the fourth proportional to 3kg, 12kg,15kg
Asked by gillraj01 | 27 Feb, 2019, 07:27: PM
Expert Answer
Let the fourth proportional = x
3:12::15:x
12 × 15 = 3x
x = 12 × 15/3
x = 180/3 = 60
Therefore, the fourth proportional is 60.
Answered by Sneha shidid | 27 Feb, 2019, 09:40: PM
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