Home / 11,211.92-15,472.55-6,176.17

Finding the Fourth Proportional to 11,211.92, 15,472.55 and 6,176.17

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Solution

The fourth proportional to 11,211.92, 15,472.55 and 6,176.17 is: 8,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.92 : 15,472.55 = 6,176.17 : x
  2. Step 2: Convert to fraction form
    11,211.92/15,472.55 = 6,176.17/x
  3. Step 3: Cross multiply
    11,211.92x = 15,472.55 × 6,176.17
  4. Step 4: Simplify right side
    11,211.92x = 95,561,046.88
  5. Step 5: Solve for x
    x = 95,561,046.88/11,211.92
  6. Step 6: Final answer
    x = 8,523.17

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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.