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Finding the Fourth Proportional to 11,992.11, 16,548.86 and 6,956.78

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Solution

The fourth proportional to 11,992.11, 16,548.86 and 6,956.78 is: 9,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.11 : 16,548.86 = 6,956.78 : x
  2. Step 2: Convert to fraction form
    11,992.11/16,548.86 = 6,956.78/x
  3. Step 3: Cross multiply
    11,992.11x = 16,548.86 × 6,956.78
  4. Step 4: Simplify right side
    11,992.11x = 115,126,660.74
  5. Step 5: Solve for x
    x = 115,126,660.74/11,992.11
  6. Step 6: Final answer
    x = 9,600.20

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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.