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Finding the Fourth Proportional to 8,136.39, 11,228.22 and 4,410.39

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Solution

The fourth proportional to 8,136.39, 11,228.22 and 4,410.39 is: 6,086.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.39 : 11,228.22 = 4,410.39 : x
  2. Step 2: Convert to fraction form
    8,136.39/11,228.22 = 4,410.39/x
  3. Step 3: Cross multiply
    8,136.39x = 11,228.22 × 4,410.39
  4. Step 4: Simplify right side
    8,136.39x = 49,520,829.21
  5. Step 5: Solve for x
    x = 49,520,829.21/8,136.39
  6. Step 6: Final answer
    x = 6,086.34

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Half scale
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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.