Home / 10,622.71-15,936.38-3,227.75

Finding the Fourth Proportional to 10,622.71, 15,936.38 and 3,227.75

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Solution

The fourth proportional to 10,622.71, 15,936.38 and 3,227.75 is: 4,842.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.71 : 15,936.38 = 3,227.75 : x
  2. Step 2: Convert to fraction form
    10,622.71/15,936.38 = 3,227.75/x
  3. Step 3: Cross multiply
    10,622.71x = 15,936.38 × 3,227.75
  4. Step 4: Simplify right side
    10,622.71x = 51,438,626.59
  5. Step 5: Solve for x
    x = 51,438,626.59/10,622.71
  6. Step 6: Final answer
    x = 4,842.33

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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.