Home / 7,481.48-11,222.70-4,397

Finding the Fourth Proportional to 7,481.48, 11,222.70 and 4,397

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Solution

The fourth proportional to 7,481.48, 11,222.70 and 4,397 is: 6,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.48 : 11,222.70 = 4,397 : x
  2. Step 2: Convert to fraction form
    7,481.48/11,222.70 = 4,397/x
  3. Step 3: Cross multiply
    7,481.48x = 11,222.70 × 4,397
  4. Step 4: Simplify right side
    7,481.48x = 49,346,211.90
  5. Step 5: Solve for x
    x = 49,346,211.90/7,481.48
  6. Step 6: Final answer
    x = 6,595.78

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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.