Home / 11,667.40-17,481.60-8,198.44

Finding the Fourth Proportional to 11,667.40, 17,481.60 and 8,198.44

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Solution

The fourth proportional to 11,667.40, 17,481.60 and 8,198.44 is: 12,283.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,667.40 : 17,481.60 = 8,198.44 : x
  2. Step 2: Convert to fraction form
    11,667.40/17,481.60 = 8,198.44/x
  3. Step 3: Cross multiply
    11,667.40x = 17,481.60 × 8,198.44
  4. Step 4: Simplify right side
    11,667.40x = 143,321,848.70
  5. Step 5: Solve for x
    x = 143,321,848.70/11,667.40
  6. Step 6: Final answer
    x = 12,283.96

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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.