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Finding the Fourth Proportional to 8,114.57, 11,198.10 and 4,388.57

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Solution

The fourth proportional to 8,114.57, 11,198.10 and 4,388.57 is: 6,056.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.57 : 11,198.10 = 4,388.57 : x
  2. Step 2: Convert to fraction form
    8,114.57/11,198.10 = 4,388.57/x
  3. Step 3: Cross multiply
    8,114.57x = 11,198.10 × 4,388.57
  4. Step 4: Simplify right side
    8,114.57x = 49,143,645.72
  5. Step 5: Solve for x
    x = 49,143,645.72/8,114.57
  6. Step 6: Final answer
    x = 6,056.22

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.