Home / 10,257.62-15,385.67-3,237.88

Finding the Fourth Proportional to 10,257.62, 15,385.67 and 3,237.88

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Solution

The fourth proportional to 10,257.62, 15,385.67 and 3,237.88 is: 4,856.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.62 : 15,385.67 = 3,237.88 : x
  2. Step 2: Convert to fraction form
    10,257.62/15,385.67 = 3,237.88/x
  3. Step 3: Cross multiply
    10,257.62x = 15,385.67 × 3,237.88
  4. Step 4: Simplify right side
    10,257.62x = 49,816,860.06
  5. Step 5: Solve for x
    x = 49,816,860.06/10,257.62
  6. Step 6: Final answer
    x = 4,856.57

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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.