Home / 7,208.46-10,805.13-3,309.66

Finding the Fourth Proportional to 7,208.46, 10,805.13 and 3,309.66

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Solution

The fourth proportional to 7,208.46, 10,805.13 and 3,309.66 is: 4,961.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.46 : 10,805.13 = 3,309.66 : x
  2. Step 2: Convert to fraction form
    7,208.46/10,805.13 = 3,309.66/x
  3. Step 3: Cross multiply
    7,208.46x = 10,805.13 × 3,309.66
  4. Step 4: Simplify right side
    7,208.46x = 35,761,306.56
  5. Step 5: Solve for x
    x = 35,761,306.56/7,208.46
  6. Step 6: Final answer
    x = 4,961.02

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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.