## what is the 4th proportion of 3, 12 and 4​

Question

what is the 4th proportion of 3, 12 and 4​

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8 hours 2021-09-15T02:36:22+00:00 1 Answer 0 views 0

Let x be the fourth proportional

12

3

=

x

4

4×3

3

=

x

4

4

1

=

x

4

⇒x=4×4=16

⟹x=4

⇒3,12 & 4,16 are in proportion