Home / 11,263.91-15,545.51-9,372.15

Finding the Fourth Proportional to 11,263.91, 15,545.51 and 9,372.15

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Solution

The fourth proportional to 11,263.91, 15,545.51 and 9,372.15 is: 12,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.91 : 15,545.51 = 9,372.15 : x
  2. Step 2: Convert to fraction form
    11,263.91/15,545.51 = 9,372.15/x
  3. Step 3: Cross multiply
    11,263.91x = 15,545.51 × 9,372.15
  4. Step 4: Simplify right side
    11,263.91x = 145,694,851.55
  5. Step 5: Solve for x
    x = 145,694,851.55/11,263.91
  6. Step 6: Final answer
    x = 12,934.66

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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.