Home / 12,497.20-17,238.12-9,843.52

Finding the Fourth Proportional to 12,497.20, 17,238.12 and 9,843.52

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Solution

The fourth proportional to 12,497.20, 17,238.12 and 9,843.52 is: 13,577.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.20 : 17,238.12 = 9,843.52 : x
  2. Step 2: Convert to fraction form
    12,497.20/17,238.12 = 9,843.52/x
  3. Step 3: Cross multiply
    12,497.20x = 17,238.12 × 9,843.52
  4. Step 4: Simplify right side
    12,497.20x = 169,683,778.98
  5. Step 5: Solve for x
    x = 169,683,778.98/12,497.20
  6. Step 6: Final answer
    x = 13,577.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.