Home / 10,097.38-15,148.50-3,171.88

Finding the Fourth Proportional to 10,097.38, 15,148.50 and 3,171.88

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Solution

The fourth proportional to 10,097.38, 15,148.50 and 3,171.88 is: 4,758.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097.38 : 15,148.50 = 3,171.88 : x
  2. Step 2: Convert to fraction form
    10,097.38/15,148.50 = 3,171.88/x
  3. Step 3: Cross multiply
    10,097.38x = 15,148.50 × 3,171.88
  4. Step 4: Simplify right side
    10,097.38x = 48,049,163.85
  5. Step 5: Solve for x
    x = 48,049,163.85/10,097.38
  6. Step 6: Final answer
    x = 4,758.58

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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.