Home / 11,819.92-17,733.97-5,250.71

Finding the Fourth Proportional to 11,819.92, 17,733.97 and 5,250.71

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Solution

The fourth proportional to 11,819.92, 17,733.97 and 5,250.71 is: 7,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.92 : 17,733.97 = 5,250.71 : x
  2. Step 2: Convert to fraction form
    11,819.92/17,733.97 = 5,250.71/x
  3. Step 3: Cross multiply
    11,819.92x = 17,733.97 × 5,250.71
  4. Step 4: Simplify right side
    11,819.92x = 93,115,933.62
  5. Step 5: Solve for x
    x = 93,115,933.62/11,819.92
  6. Step 6: Final answer
    x = 7,877.88

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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.