Home / 9,013.88-13,519.23-4,082.36

Finding the Fourth Proportional to 9,013.88, 13,519.23 and 4,082.36

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Solution

The fourth proportional to 9,013.88, 13,519.23 and 4,082.36 is: 6,122.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.88 : 13,519.23 = 4,082.36 : x
  2. Step 2: Convert to fraction form
    9,013.88/13,519.23 = 4,082.36/x
  3. Step 3: Cross multiply
    9,013.88x = 13,519.23 × 4,082.36
  4. Step 4: Simplify right side
    9,013.88x = 55,190,363.78
  5. Step 5: Solve for x
    x = 55,190,363.78/9,013.88
  6. Step 6: Final answer
    x = 6,122.82

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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.