Home / 11,082.44-15,286.38-8,840.36

Finding the Fourth Proportional to 11,082.44, 15,286.38 and 8,840.36

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Solution

The fourth proportional to 11,082.44, 15,286.38 and 8,840.36 is: 12,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082.44 : 15,286.38 = 8,840.36 : x
  2. Step 2: Convert to fraction form
    11,082.44/15,286.38 = 8,840.36/x
  3. Step 3: Cross multiply
    11,082.44x = 15,286.38 × 8,840.36
  4. Step 4: Simplify right side
    11,082.44x = 135,137,102.30
  5. Step 5: Solve for x
    x = 135,137,102.30/11,082.44
  6. Step 6: Final answer
    x = 12,193.80

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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.