Home / 11,472.86-17,207.66-3,680.66

Finding the Fourth Proportional to 11,472.86, 17,207.66 and 3,680.66

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Solution

The fourth proportional to 11,472.86, 17,207.66 and 3,680.66 is: 5,520.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.86 : 17,207.66 = 3,680.66 : x
  2. Step 2: Convert to fraction form
    11,472.86/17,207.66 = 3,680.66/x
  3. Step 3: Cross multiply
    11,472.86x = 17,207.66 × 3,680.66
  4. Step 4: Simplify right side
    11,472.86x = 63,335,545.86
  5. Step 5: Solve for x
    x = 63,335,545.86/11,472.86
  6. Step 6: Final answer
    x = 5,520.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.