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Finding the Fourth Proportional to 11,553.66, 15,944.03 and 6,517.86

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Solution

The fourth proportional to 11,553.66, 15,944.03 and 6,517.86 is: 8,994.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.66 : 15,944.03 = 6,517.86 : x
  2. Step 2: Convert to fraction form
    11,553.66/15,944.03 = 6,517.86/x
  3. Step 3: Cross multiply
    11,553.66x = 15,944.03 × 6,517.86
  4. Step 4: Simplify right side
    11,553.66x = 103,920,922.79
  5. Step 5: Solve for x
    x = 103,920,922.79/11,553.66
  6. Step 6: Final answer
    x = 8,994.64

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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.