Home / 10,251.16-15,377.31-3,231.36

Finding the Fourth Proportional to 10,251.16, 15,377.31 and 3,231.36

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Solution

The fourth proportional to 10,251.16, 15,377.31 and 3,231.36 is: 4,847.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.16 : 15,377.31 = 3,231.36 : x
  2. Step 2: Convert to fraction form
    10,251.16/15,377.31 = 3,231.36/x
  3. Step 3: Cross multiply
    10,251.16x = 15,377.31 × 3,231.36
  4. Step 4: Simplify right side
    10,251.16x = 49,689,624.44
  5. Step 5: Solve for x
    x = 49,689,624.44/10,251.16
  6. Step 6: Final answer
    x = 4,847.22

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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.