Home / 10,251.13-15,376.73-3,231.80

Finding the Fourth Proportional to 10,251.13, 15,376.73 and 3,231.80

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Solution

The fourth proportional to 10,251.13, 15,376.73 and 3,231.80 is: 4,847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.13 : 15,376.73 = 3,231.80 : x
  2. Step 2: Convert to fraction form
    10,251.13/15,376.73 = 3,231.80/x
  3. Step 3: Cross multiply
    10,251.13x = 15,376.73 × 3,231.80
  4. Step 4: Simplify right side
    10,251.13x = 49,694,538.30
  5. Step 5: Solve for x
    x = 49,694,538.30/10,251.13
  6. Step 6: Final answer
    x = 4,847.71

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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.