Home / 12,504.57-18,747.12-6,261.37

Finding the Fourth Proportional to 12,504.57, 18,747.12 and 6,261.37

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Solution

The fourth proportional to 12,504.57, 18,747.12 and 6,261.37 is: 9,387.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.57 : 18,747.12 = 6,261.37 : x
  2. Step 2: Convert to fraction form
    12,504.57/18,747.12 = 6,261.37/x
  3. Step 3: Cross multiply
    12,504.57x = 18,747.12 × 6,261.37
  4. Step 4: Simplify right side
    12,504.57x = 117,382,654.75
  5. Step 5: Solve for x
    x = 117,382,654.75/12,504.57
  6. Step 6: Final answer
    x = 9,387.18

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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.