Home / 12,472.24-18,704.36-6,625.52

Finding the Fourth Proportional to 12,472.24, 18,704.36 and 6,625.52

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Solution

The fourth proportional to 12,472.24, 18,704.36 and 6,625.52 is: 9,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.24 : 18,704.36 = 6,625.52 : x
  2. Step 2: Convert to fraction form
    12,472.24/18,704.36 = 6,625.52/x
  3. Step 3: Cross multiply
    12,472.24x = 18,704.36 × 6,625.52
  4. Step 4: Simplify right side
    12,472.24x = 123,926,111.27
  5. Step 5: Solve for x
    x = 123,926,111.27/12,472.24
  6. Step 6: Final answer
    x = 9,936.16

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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.