Home / 10,789.11-16,179.75-3,767.16

Finding the Fourth Proportional to 10,789.11, 16,179.75 and 3,767.16

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Solution

The fourth proportional to 10,789.11, 16,179.75 and 3,767.16 is: 5,649.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789.11 : 16,179.75 = 3,767.16 : x
  2. Step 2: Convert to fraction form
    10,789.11/16,179.75 = 3,767.16/x
  3. Step 3: Cross multiply
    10,789.11x = 16,179.75 × 3,767.16
  4. Step 4: Simplify right side
    10,789.11x = 60,951,626.11
  5. Step 5: Solve for x
    x = 60,951,626.11/10,789.11
  6. Step 6: Final answer
    x = 5,649.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.