Home / 9,882.68-14,819.40-3,641.12

Finding the Fourth Proportional to 9,882.68, 14,819.40 and 3,641.12

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Solution

The fourth proportional to 9,882.68, 14,819.40 and 3,641.12 is: 5,459.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,882.68 : 14,819.40 = 3,641.12 : x
  2. Step 2: Convert to fraction form
    9,882.68/14,819.40 = 3,641.12/x
  3. Step 3: Cross multiply
    9,882.68x = 14,819.40 × 3,641.12
  4. Step 4: Simplify right side
    9,882.68x = 53,959,213.73
  5. Step 5: Solve for x
    x = 53,959,213.73/9,882.68
  6. Step 6: Final answer
    x = 5,459.98

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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.