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Finding the Fourth Proportional to 10,591.03, 15,861.50 and 9,196.79

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Solution

The fourth proportional to 10,591.03, 15,861.50 and 9,196.79 is: 13,773.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,591.03 : 15,861.50 = 9,196.79 : x
  2. Step 2: Convert to fraction form
    10,591.03/15,861.50 = 9,196.79/x
  3. Step 3: Cross multiply
    10,591.03x = 15,861.50 × 9,196.79
  4. Step 4: Simplify right side
    10,591.03x = 145,874,884.59
  5. Step 5: Solve for x
    x = 145,874,884.59/10,591.03
  6. Step 6: Final answer
    x = 13,773.44

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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.