Home / 10,097.47-15,148.60-3,171.97

Finding the Fourth Proportional to 10,097.47, 15,148.60 and 3,171.97

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Solution

The fourth proportional to 10,097.47, 15,148.60 and 3,171.97 is: 4,758.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097.47 : 15,148.60 = 3,171.97 : x
  2. Step 2: Convert to fraction form
    10,097.47/15,148.60 = 3,171.97/x
  3. Step 3: Cross multiply
    10,097.47x = 15,148.60 × 3,171.97
  4. Step 4: Simplify right side
    10,097.47x = 48,050,904.74
  5. Step 5: Solve for x
    x = 48,050,904.74/10,097.47
  6. Step 6: Final answer
    x = 4,758.71

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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.