Home / 11,234.37-16,861.90-5,691.57

Finding the Fourth Proportional to 11,234.37, 16,861.90 and 5,691.57

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Solution

The fourth proportional to 11,234.37, 16,861.90 and 5,691.57 is: 8,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,234.37 : 16,861.90 = 5,691.57 : x
  2. Step 2: Convert to fraction form
    11,234.37/16,861.90 = 5,691.57/x
  3. Step 3: Cross multiply
    11,234.37x = 16,861.90 × 5,691.57
  4. Step 4: Simplify right side
    11,234.37x = 95,970,684.18
  5. Step 5: Solve for x
    x = 95,970,684.18/11,234.37
  6. Step 6: Final answer
    x = 8,542.60

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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.