Home / 11,983.55-16,524.30-8,157.66

Finding the Fourth Proportional to 11,983.55, 16,524.30 and 8,157.66

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Solution

The fourth proportional to 11,983.55, 16,524.30 and 8,157.66 is: 11,248.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,983.55 : 16,524.30 = 8,157.66 : x
  2. Step 2: Convert to fraction form
    11,983.55/16,524.30 = 8,157.66/x
  3. Step 3: Cross multiply
    11,983.55x = 16,524.30 × 8,157.66
  4. Step 4: Simplify right side
    11,983.55x = 134,799,589.76
  5. Step 5: Solve for x
    x = 134,799,589.76/11,983.55
  6. Step 6: Final answer
    x = 11,248.72

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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.