Finding the Fourth Proportional to 12,713,956.24, 17,545,136.30 and 6,912,737.99
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Solution
The fourth proportional to 12,713,956.24, 17,545,136.30 and 6,912,737.99 is: 9,539,511.38
Step by Step Solution
- Step 1: Write the proportion equation
12,713,956.24 : 17,545,136.30 = 6,912,737.99 : x - Step 2: Convert to fraction form
12,713,956.24/17,545,136.30 = 6,912,737.99/x - Step 3: Cross multiply
12,713,956.24x = 17,545,136.30 × 6,912,737.99 - Step 4: Simplify right side
12,713,956.24x = 121,284,930,240,738.05 - Step 5: Solve for x
x = 121,284,930,240,738.05/12,713,956.24 - Step 6: Final answer
x = 9,539,511.38
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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.