Home / 12,473.38-18,713.15-3,708.25

Finding the Fourth Proportional to 12,473.38, 18,713.15 and 3,708.25

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Solution

The fourth proportional to 12,473.38, 18,713.15 and 3,708.25 is: 5,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.38 : 18,713.15 = 3,708.25 : x
  2. Step 2: Convert to fraction form
    12,473.38/18,713.15 = 3,708.25/x
  3. Step 3: Cross multiply
    12,473.38x = 18,713.15 × 3,708.25
  4. Step 4: Simplify right side
    12,473.38x = 69,393,038.49
  5. Step 5: Solve for x
    x = 69,393,038.49/12,473.38
  6. Step 6: Final answer
    x = 5,563.29

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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.