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Finding the Fourth Proportional to 11,198.88, 15,454.44 and 6,948.36

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Solution

The fourth proportional to 11,198.88, 15,454.44 and 6,948.36 is: 9,588.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198.88 : 15,454.44 = 6,948.36 : x
  2. Step 2: Convert to fraction form
    11,198.88/15,454.44 = 6,948.36/x
  3. Step 3: Cross multiply
    11,198.88x = 15,454.44 × 6,948.36
  4. Step 4: Simplify right side
    11,198.88x = 107,383,012.72
  5. Step 5: Solve for x
    x = 107,383,012.72/11,198.88
  6. Step 6: Final answer
    x = 9,588.73

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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.