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Finding the Fourth Proportional to 8,338.24, 12,493.47 and 5,867.87

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Solution

The fourth proportional to 8,338.24, 12,493.47 and 5,867.87 is: 8,792.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338.24 : 12,493.47 = 5,867.87 : x
  2. Step 2: Convert to fraction form
    8,338.24/12,493.47 = 5,867.87/x
  3. Step 3: Cross multiply
    8,338.24x = 12,493.47 × 5,867.87
  4. Step 4: Simplify right side
    8,338.24x = 73,309,995.34
  5. Step 5: Solve for x
    x = 73,309,995.34/8,338.24
  6. Step 6: Final answer
    x = 8,792.03

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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.