Home / 7,618.34-11,422.13-2,934.41

Finding the Fourth Proportional to 7,618.34, 11,422.13 and 2,934.41

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Solution

The fourth proportional to 7,618.34, 11,422.13 and 2,934.41 is: 4,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.34 : 11,422.13 = 2,934.41 : x
  2. Step 2: Convert to fraction form
    7,618.34/11,422.13 = 2,934.41/x
  3. Step 3: Cross multiply
    7,618.34x = 11,422.13 × 2,934.41
  4. Step 4: Simplify right side
    7,618.34x = 33,517,212.49
  5. Step 5: Solve for x
    x = 33,517,212.49/7,618.34
  6. Step 6: Final answer
    x = 4,399.54

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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.