Home / 10,122.56-15,170.17-4,569

Finding the Fourth Proportional to 10,122.56, 15,170.17 and 4,569

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Solution

The fourth proportional to 10,122.56, 15,170.17 and 4,569 is: 6,847.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.56 : 15,170.17 = 4,569 : x
  2. Step 2: Convert to fraction form
    10,122.56/15,170.17 = 4,569/x
  3. Step 3: Cross multiply
    10,122.56x = 15,170.17 × 4,569
  4. Step 4: Simplify right side
    10,122.56x = 69,312,506.73
  5. Step 5: Solve for x
    x = 69,312,506.73/10,122.56
  6. Step 6: Final answer
    x = 6,847.33

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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.