Home / 10,522.24-15,786.11-3,948.55

Finding the Fourth Proportional to 10,522.24, 15,786.11 and 3,948.55

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Solution

The fourth proportional to 10,522.24, 15,786.11 and 3,948.55 is: 5,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522.24 : 15,786.11 = 3,948.55 : x
  2. Step 2: Convert to fraction form
    10,522.24/15,786.11 = 3,948.55/x
  3. Step 3: Cross multiply
    10,522.24x = 15,786.11 × 3,948.55
  4. Step 4: Simplify right side
    10,522.24x = 62,332,244.64
  5. Step 5: Solve for x
    x = 62,332,244.64/10,522.24
  6. Step 6: Final answer
    x = 5,923.86

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1.5x scale

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.