Home / 12,475.98-18,717.48-3,711.24

Finding the Fourth Proportional to 12,475.98, 18,717.48 and 3,711.24

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Solution

The fourth proportional to 12,475.98, 18,717.48 and 3,711.24 is: 5,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.98 : 18,717.48 = 3,711.24 : x
  2. Step 2: Convert to fraction form
    12,475.98/18,717.48 = 3,711.24/x
  3. Step 3: Cross multiply
    12,475.98x = 18,717.48 × 3,711.24
  4. Step 4: Simplify right side
    12,475.98x = 69,465,060.48
  5. Step 5: Solve for x
    x = 69,465,060.48/12,475.98
  6. Step 6: Final answer
    x = 5,567.90

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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.