Home / 11,481.72-17,222.58-4,556.22

Finding the Fourth Proportional to 11,481.72, 17,222.58 and 4,556.22

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Solution

The fourth proportional to 11,481.72, 17,222.58 and 4,556.22 is: 6,834.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.72 : 17,222.58 = 4,556.22 : x
  2. Step 2: Convert to fraction form
    11,481.72/17,222.58 = 4,556.22/x
  3. Step 3: Cross multiply
    11,481.72x = 17,222.58 × 4,556.22
  4. Step 4: Simplify right side
    11,481.72x = 78,469,863.45
  5. Step 5: Solve for x
    x = 78,469,863.45/11,481.72
  6. Step 6: Final answer
    x = 6,834.33

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Double scale
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Similar ratio
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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.