Finding the Fourth Proportional to 11,432,163.54, 15,776,323.62 and 6,275,612.82
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Solution
The fourth proportional to 11,432,163.54, 15,776,323.62 and 6,275,612.82 is: 8,660,311.62
Step by Step Solution
- Step 1: Write the proportion equation
11,432,163.54 : 15,776,323.62 = 6,275,612.82 : x - Step 2: Convert to fraction form
11,432,163.54/15,776,323.62 = 6,275,612.82/x - Step 3: Cross multiply
11,432,163.54x = 15,776,323.62 × 6,275,612.82 - Step 4: Simplify right side
11,432,163.54x = 99,006,098,762,140.81 - Step 5: Solve for x
x = 99,006,098,762,140.81/11,432,163.54 - Step 6: Final answer
x = 8,660,311.62
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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.