Home / 11,214.18-15,463.85-8,377.11

Finding the Fourth Proportional to 11,214.18, 15,463.85 and 8,377.11

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Solution

The fourth proportional to 11,214.18, 15,463.85 and 8,377.11 is: 11,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.18 : 15,463.85 = 8,377.11 : x
  2. Step 2: Convert to fraction form
    11,214.18/15,463.85 = 8,377.11/x
  3. Step 3: Cross multiply
    11,214.18x = 15,463.85 × 8,377.11
  4. Step 4: Simplify right side
    11,214.18x = 129,542,330.59
  5. Step 5: Solve for x
    x = 129,542,330.59/11,214.18
  6. Step 6: Final answer
    x = 11,551.65

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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.