Home / 11,118.20-15,343.11-6,082.43

Finding the Fourth Proportional to 11,118.20, 15,343.11 and 6,082.43

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Solution

The fourth proportional to 11,118.20, 15,343.11 and 6,082.43 is: 8,393.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.20 : 15,343.11 = 6,082.43 : x
  2. Step 2: Convert to fraction form
    11,118.20/15,343.11 = 6,082.43/x
  3. Step 3: Cross multiply
    11,118.20x = 15,343.11 × 6,082.43
  4. Step 4: Simplify right side
    11,118.20x = 93,323,392.56
  5. Step 5: Solve for x
    x = 93,323,392.56/11,118.20
  6. Step 6: Final answer
    x = 8,393.75

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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.