Home / 11,110.38-15,332.11-6,635.13

Finding the Fourth Proportional to 11,110.38, 15,332.11 and 6,635.13

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Solution

The fourth proportional to 11,110.38, 15,332.11 and 6,635.13 is: 9,156.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.38 : 15,332.11 = 6,635.13 : x
  2. Step 2: Convert to fraction form
    11,110.38/15,332.11 = 6,635.13/x
  3. Step 3: Cross multiply
    11,110.38x = 15,332.11 × 6,635.13
  4. Step 4: Simplify right side
    11,110.38x = 101,730,543.02
  5. Step 5: Solve for x
    x = 101,730,543.02/11,110.38
  6. Step 6: Final answer
    x = 9,156.35

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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.