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Finding the Fourth Proportional to 11,009.99, 15,193.67 and 5,974.22

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Solution

The fourth proportional to 11,009.99, 15,193.67 and 5,974.22 is: 8,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.99 : 15,193.67 = 5,974.22 : x
  2. Step 2: Convert to fraction form
    11,009.99/15,193.67 = 5,974.22/x
  3. Step 3: Cross multiply
    11,009.99x = 15,193.67 × 5,974.22
  4. Step 4: Simplify right side
    11,009.99x = 90,770,335.30
  5. Step 5: Solve for x
    x = 90,770,335.30/11,009.99
  6. Step 6: Final answer
    x = 8,244.36

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Similar ratio
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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.