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Finding the Fourth Proportional to 8,150, 11,247 and 4,424

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Solution

The fourth proportional to 8,150, 11,247 and 4,424 is: 6,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150 : 11,247 = 4,424 : x
  2. Step 2: Convert to fraction form
    8,150/11,247 = 4,424/x
  3. Step 3: Cross multiply
    8,150x = 11,247 × 4,424
  4. Step 4: Simplify right side
    8,150x = 49,756,728
  5. Step 5: Solve for x
    x = 49,756,728/8,150
  6. Step 6: Final answer
    x = 6,105.12

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Double scale
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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.