Home / 12,432.60-17,158.96-7,397.04

Finding the Fourth Proportional to 12,432.60, 17,158.96 and 7,397.04

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Solution

The fourth proportional to 12,432.60, 17,158.96 and 7,397.04 is: 10,209.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.60 : 17,158.96 = 7,397.04 : x
  2. Step 2: Convert to fraction form
    12,432.60/17,158.96 = 7,397.04/x
  3. Step 3: Cross multiply
    12,432.60x = 17,158.96 × 7,397.04
  4. Step 4: Simplify right side
    12,432.60x = 126,925,513.48
  5. Step 5: Solve for x
    x = 126,925,513.48/12,432.60
  6. Step 6: Final answer
    x = 10,209.09

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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.