Home / 11,998.92-16,566.10-8,228.36

Finding the Fourth Proportional to 11,998.92, 16,566.10 and 8,228.36

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Solution

The fourth proportional to 11,998.92, 16,566.10 and 8,228.36 is: 11,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.92 : 16,566.10 = 8,228.36 : x
  2. Step 2: Convert to fraction form
    11,998.92/16,566.10 = 8,228.36/x
  3. Step 3: Cross multiply
    11,998.92x = 16,566.10 × 8,228.36
  4. Step 4: Simplify right side
    11,998.92x = 136,311,834.60
  5. Step 5: Solve for x
    x = 136,311,834.60/11,998.92
  6. Step 6: Final answer
    x = 11,360.34

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Half scale
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Double scale
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Similar ratio
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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.