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Finding the Fourth Proportional to 11,793.65, 16,287.62 and 8,961.08

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Solution

The fourth proportional to 11,793.65, 16,287.62 and 8,961.08 is: 12,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.65 : 16,287.62 = 8,961.08 : x
  2. Step 2: Convert to fraction form
    11,793.65/16,287.62 = 8,961.08/x
  3. Step 3: Cross multiply
    11,793.65x = 16,287.62 × 8,961.08
  4. Step 4: Simplify right side
    11,793.65x = 145,954,647.51
  5. Step 5: Solve for x
    x = 145,954,647.51/11,793.65
  6. Step 6: Final answer
    x = 12,375.70

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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.