Home / 7,486.29-11,222.76-3,100.95

Finding the Fourth Proportional to 7,486.29, 11,222.76 and 3,100.95

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Solution

The fourth proportional to 7,486.29, 11,222.76 and 3,100.95 is: 4,648.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.29 : 11,222.76 = 3,100.95 : x
  2. Step 2: Convert to fraction form
    7,486.29/11,222.76 = 3,100.95/x
  3. Step 3: Cross multiply
    7,486.29x = 11,222.76 × 3,100.95
  4. Step 4: Simplify right side
    7,486.29x = 34,801,217.62
  5. Step 5: Solve for x
    x = 34,801,217.62/7,486.29
  6. Step 6: Final answer
    x = 4,648.66

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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.