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Finding the Fourth Proportional to 11,160.75, 16,741.13 and 8,697.41

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Solution

The fourth proportional to 11,160.75, 16,741.13 and 8,697.41 is: 13,046.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.75 : 16,741.13 = 8,697.41 : x
  2. Step 2: Convert to fraction form
    11,160.75/16,741.13 = 8,697.41/x
  3. Step 3: Cross multiply
    11,160.75x = 16,741.13 × 8,697.41
  4. Step 4: Simplify right side
    11,160.75x = 145,604,469.84
  5. Step 5: Solve for x
    x = 145,604,469.84/11,160.75
  6. Step 6: Final answer
    x = 13,046.12

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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.