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Finding the Fourth Proportional to 11,000.42, 15,180.65 and 5,964.71

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Solution

The fourth proportional to 11,000.42, 15,180.65 and 5,964.71 is: 8,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.42 : 15,180.65 = 5,964.71 : x
  2. Step 2: Convert to fraction form
    11,000.42/15,180.65 = 5,964.71/x
  3. Step 3: Cross multiply
    11,000.42x = 15,180.65 × 5,964.71
  4. Step 4: Simplify right side
    11,000.42x = 90,548,145.04
  5. Step 5: Solve for x
    x = 90,548,145.04/11,000.42
  6. Step 6: Final answer
    x = 8,231.34

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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.