Home / 10,167.39-15,248.27-4,905.83

Finding the Fourth Proportional to 10,167.39, 15,248.27 and 4,905.83

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Solution

The fourth proportional to 10,167.39, 15,248.27 and 4,905.83 is: 7,357.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.39 : 15,248.27 = 4,905.83 : x
  2. Step 2: Convert to fraction form
    10,167.39/15,248.27 = 4,905.83/x
  3. Step 3: Cross multiply
    10,167.39x = 15,248.27 × 4,905.83
  4. Step 4: Simplify right side
    10,167.39x = 74,805,319.64
  5. Step 5: Solve for x
    x = 74,805,319.64/10,167.39
  6. Step 6: Final answer
    x = 7,357.38

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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.