Home / 12,372.14-18,553.59-4,974.10

Finding the Fourth Proportional to 12,372.14, 18,553.59 and 4,974.10

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Solution

The fourth proportional to 12,372.14, 18,553.59 and 4,974.10 is: 7,459.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.14 : 18,553.59 = 4,974.10 : x
  2. Step 2: Convert to fraction form
    12,372.14/18,553.59 = 4,974.10/x
  3. Step 3: Cross multiply
    12,372.14x = 18,553.59 × 4,974.10
  4. Step 4: Simplify right side
    12,372.14x = 92,287,365.64
  5. Step 5: Solve for x
    x = 92,287,365.64/12,372.14
  6. Step 6: Final answer
    x = 7,459.29

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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.