Home / 11,251.16-16,876.78-3,459.92

Finding the Fourth Proportional to 11,251.16, 16,876.78 and 3,459.92

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Solution

The fourth proportional to 11,251.16, 16,876.78 and 3,459.92 is: 5,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.16 : 16,876.78 = 3,459.92 : x
  2. Step 2: Convert to fraction form
    11,251.16/16,876.78 = 3,459.92/x
  3. Step 3: Cross multiply
    11,251.16x = 16,876.78 × 3,459.92
  4. Step 4: Simplify right side
    11,251.16x = 58,392,308.66
  5. Step 5: Solve for x
    x = 58,392,308.66/11,251.16
  6. Step 6: Final answer
    x = 5,189.89

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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.