Home / 12,711.73-17,522.75-8,924.28

Finding the Fourth Proportional to 12,711.73, 17,522.75 and 8,924.28

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Solution

The fourth proportional to 12,711.73, 17,522.75 and 8,924.28 is: 12,301.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711.73 : 17,522.75 = 8,924.28 : x
  2. Step 2: Convert to fraction form
    12,711.73/17,522.75 = 8,924.28/x
  3. Step 3: Cross multiply
    12,711.73x = 17,522.75 × 8,924.28
  4. Step 4: Simplify right side
    12,711.73x = 156,377,927.37
  5. Step 5: Solve for x
    x = 156,377,927.37/12,711.73
  6. Step 6: Final answer
    x = 12,301.86

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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.