Home / 12,497.24-18,745.89-3,731.47

Finding the Fourth Proportional to 12,497.24, 18,745.89 and 3,731.47

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Solution

The fourth proportional to 12,497.24, 18,745.89 and 3,731.47 is: 5,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.24 : 18,745.89 = 3,731.47 : x
  2. Step 2: Convert to fraction form
    12,497.24/18,745.89 = 3,731.47/x
  3. Step 3: Cross multiply
    12,497.24x = 18,745.89 × 3,731.47
  4. Step 4: Simplify right side
    12,497.24x = 69,949,613.77
  5. Step 5: Solve for x
    x = 69,949,613.77/12,497.24
  6. Step 6: Final answer
    x = 5,597.20

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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.