Home / 11,082.99-15,281.94-8,255.28

Finding the Fourth Proportional to 11,082.99, 15,281.94 and 8,255.28

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Solution

The fourth proportional to 11,082.99, 15,281.94 and 8,255.28 is: 11,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082.99 : 15,281.94 = 8,255.28 : x
  2. Step 2: Convert to fraction form
    11,082.99/15,281.94 = 8,255.28/x
  3. Step 3: Cross multiply
    11,082.99x = 15,281.94 × 8,255.28
  4. Step 4: Simplify right side
    11,082.99x = 126,156,693.64
  5. Step 5: Solve for x
    x = 126,156,693.64/11,082.99
  6. Step 6: Final answer
    x = 11,382.91

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Double scale
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Similar ratio
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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.