Home / 7,922.22-11,876.28-3,759.66

Finding the Fourth Proportional to 7,922.22, 11,876.28 and 3,759.66

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Solution

The fourth proportional to 7,922.22, 11,876.28 and 3,759.66 is: 5,636.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.22 : 11,876.28 = 3,759.66 : x
  2. Step 2: Convert to fraction form
    7,922.22/11,876.28 = 3,759.66/x
  3. Step 3: Cross multiply
    7,922.22x = 11,876.28 × 3,759.66
  4. Step 4: Simplify right side
    7,922.22x = 44,650,774.86
  5. Step 5: Solve for x
    x = 44,650,774.86/7,922.22
  6. Step 6: Final answer
    x = 5,636.14

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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.