Home / 8,028.09-11,082.33-5,159.85

Finding the Fourth Proportional to 8,028.09, 11,082.33 and 5,159.85

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Solution

The fourth proportional to 8,028.09, 11,082.33 and 5,159.85 is: 7,122.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.09 : 11,082.33 = 5,159.85 : x
  2. Step 2: Convert to fraction form
    8,028.09/11,082.33 = 5,159.85/x
  3. Step 3: Cross multiply
    8,028.09x = 11,082.33 × 5,159.85
  4. Step 4: Simplify right side
    8,028.09x = 57,183,160.45
  5. Step 5: Solve for x
    x = 57,183,160.45/8,028.09
  6. Step 6: Final answer
    x = 7,122.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.