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Finding the Fourth Proportional to 8,098.70, 11,103.30 and 7,951.10

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Solution

The fourth proportional to 8,098.70, 11,103.30 and 7,951.10 is: 10,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,098.70 : 11,103.30 = 7,951.10 : x
  2. Step 2: Convert to fraction form
    8,098.70/11,103.30 = 7,951.10/x
  3. Step 3: Cross multiply
    8,098.70x = 11,103.30 × 7,951.10
  4. Step 4: Simplify right side
    8,098.70x = 88,283,393.11
  5. Step 5: Solve for x
    x = 88,283,393.11/8,098.70
  6. Step 6: Final answer
    x = 10,900.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.