Math, asked by gour30, 1 year ago

the fourh proportional to 0.12,0.21,8 is

Answers

Answered by helpingbuddy40

0

0.12/0.21=8/x

x=8*0.21/0.12=8*21/12=2*21/3=2*7=14
14 is 4th proportion.

Answered by desirewo

0

Let the fourth proportional be x

0.12:0.21:: 8: x

0.12 ×x = 0.21 ×8

x = 0.21×8/0.12

x=14

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