Home / 12,424.68-17,145.90-9,252.17

Finding the Fourth Proportional to 12,424.68, 17,145.90 and 9,252.17

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Solution

The fourth proportional to 12,424.68, 17,145.90 and 9,252.17 is: 12,767.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.68 : 17,145.90 = 9,252.17 : x
  2. Step 2: Convert to fraction form
    12,424.68/17,145.90 = 9,252.17/x
  3. Step 3: Cross multiply
    12,424.68x = 17,145.90 × 9,252.17
  4. Step 4: Simplify right side
    12,424.68x = 158,636,695.87
  5. Step 5: Solve for x
    x = 158,636,695.87/12,424.68
  6. Step 6: Final answer
    x = 12,767.87

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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.