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Finding the Fourth Proportional to 11,000.61, 15,180.92 and 5,964.86

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Solution

The fourth proportional to 11,000.61, 15,180.92 and 5,964.86 is: 8,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.61 : 15,180.92 = 5,964.86 : x
  2. Step 2: Convert to fraction form
    11,000.61/15,180.92 = 5,964.86/x
  3. Step 3: Cross multiply
    11,000.61x = 15,180.92 × 5,964.86
  4. Step 4: Simplify right side
    11,000.61x = 90,551,956.74
  5. Step 5: Solve for x
    x = 90,551,956.74/11,000.61
  6. Step 6: Final answer
    x = 8,231.54

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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.