Finding the Fourth Proportional to 9,534,758.97, 13,157,120.79 and 5,291,436.17
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Solution
The fourth proportional to 9,534,758.97, 13,157,120.79 and 5,291,436.17 is: 7,301,712.09
Step by Step Solution
- Step 1: Write the proportion equation
9,534,758.97 : 13,157,120.79 = 5,291,436.17 : x - Step 2: Convert to fraction form
9,534,758.97/13,157,120.79 = 5,291,436.17/x - Step 3: Cross multiply
9,534,758.97x = 13,157,120.79 × 5,291,436.17 - Step 4: Simplify right side
9,534,758.97x = 69,620,064,874,157.77 - Step 5: Solve for x
x = 69,620,064,874,157.77/9,534,758.97 - Step 6: Final answer
x = 7,301,712.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.