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Finding the Fourth Proportional to 11,793.91, 16,277.91 and 6,761.51

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Solution

The fourth proportional to 11,793.91, 16,277.91 and 6,761.51 is: 9,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.91 : 16,277.91 = 6,761.51 : x
  2. Step 2: Convert to fraction form
    11,793.91/16,277.91 = 6,761.51/x
  3. Step 3: Cross multiply
    11,793.91x = 16,277.91 × 6,761.51
  4. Step 4: Simplify right side
    11,793.91x = 110,063,251.24
  5. Step 5: Solve for x
    x = 110,063,251.24/11,793.91
  6. Step 6: Final answer
    x = 9,332.21

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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.