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Finding the Fourth Proportional to 10,793.72, 16,186.34 and 5,245.44

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Solution

The fourth proportional to 10,793.72, 16,186.34 and 5,245.44 is: 7,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,793.72 : 16,186.34 = 5,245.44 : x
  2. Step 2: Convert to fraction form
    10,793.72/16,186.34 = 5,245.44/x
  3. Step 3: Cross multiply
    10,793.72x = 16,186.34 × 5,245.44
  4. Step 4: Simplify right side
    10,793.72x = 84,904,475.29
  5. Step 5: Solve for x
    x = 84,904,475.29/10,793.72
  6. Step 6: Final answer
    x = 7,866.10

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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.