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Finding the Fourth Proportional to 11,247.54, 16,881.54 and 5,986.97

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Solution

The fourth proportional to 11,247.54, 16,881.54 and 5,986.97 is: 8,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.54 : 16,881.54 = 5,986.97 : x
  2. Step 2: Convert to fraction form
    11,247.54/16,881.54 = 5,986.97/x
  3. Step 3: Cross multiply
    11,247.54x = 16,881.54 × 5,986.97
  4. Step 4: Simplify right side
    11,247.54x = 101,069,359.29
  5. Step 5: Solve for x
    x = 101,069,359.29/11,247.54
  6. Step 6: Final answer
    x = 8,985.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.