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Finding the Fourth Proportional to 11,793.69, 16,258.19 and 8,245.89

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Solution

The fourth proportional to 11,793.69, 16,258.19 and 8,245.89 is: 11,367.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.69 : 16,258.19 = 8,245.89 : x
  2. Step 2: Convert to fraction form
    11,793.69/16,258.19 = 8,245.89/x
  3. Step 3: Cross multiply
    11,793.69x = 16,258.19 × 8,245.89
  4. Step 4: Simplify right side
    11,793.69x = 134,063,205.11
  5. Step 5: Solve for x
    x = 134,063,205.11/11,793.69
  6. Step 6: Final answer
    x = 11,367.37

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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.