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Finding the Fourth Proportional to 11,793.05, 16,273.68 and 7,079.93

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Solution

The fourth proportional to 11,793.05, 16,273.68 and 7,079.93 is: 9,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.05 : 16,273.68 = 7,079.93 : x
  2. Step 2: Convert to fraction form
    11,793.05/16,273.68 = 7,079.93/x
  3. Step 3: Cross multiply
    11,793.05x = 16,273.68 × 7,079.93
  4. Step 4: Simplify right side
    11,793.05x = 115,216,515.24
  5. Step 5: Solve for x
    x = 115,216,515.24/11,793.05
  6. Step 6: Final answer
    x = 9,769.87

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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.