Home / 12,088.12-18,132.60-8,593.78

Finding the Fourth Proportional to 12,088.12, 18,132.60 and 8,593.78

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Solution

The fourth proportional to 12,088.12, 18,132.60 and 8,593.78 is: 12,890.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.12 : 18,132.60 = 8,593.78 : x
  2. Step 2: Convert to fraction form
    12,088.12/18,132.60 = 8,593.78/x
  3. Step 3: Cross multiply
    12,088.12x = 18,132.60 × 8,593.78
  4. Step 4: Simplify right side
    12,088.12x = 155,827,575.23
  5. Step 5: Solve for x
    x = 155,827,575.23/12,088.12
  6. Step 6: Final answer
    x = 12,890.97

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1.5x scale

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.