Home / 8,112.18-11,192.58-4,882.92

Finding the Fourth Proportional to 8,112.18, 11,192.58 and 4,882.92

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Solution

The fourth proportional to 8,112.18, 11,192.58 and 4,882.92 is: 6,737.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.18 : 11,192.58 = 4,882.92 : x
  2. Step 2: Convert to fraction form
    8,112.18/11,192.58 = 4,882.92/x
  3. Step 3: Cross multiply
    8,112.18x = 11,192.58 × 4,882.92
  4. Step 4: Simplify right side
    8,112.18x = 54,652,472.73
  5. Step 5: Solve for x
    x = 54,652,472.73/8,112.18
  6. Step 6: Final answer
    x = 6,737.09

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Double scale
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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.