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Finding the Fourth Proportional to 11,082, 16,623 and 4,151.64

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Solution

The fourth proportional to 11,082, 16,623 and 4,151.64 is: 6,227.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082 : 16,623 = 4,151.64 : x
  2. Step 2: Convert to fraction form
    11,082/16,623 = 4,151.64/x
  3. Step 3: Cross multiply
    11,082x = 16,623 × 4,151.64
  4. Step 4: Simplify right side
    11,082x = 69,012,711.72
  5. Step 5: Solve for x
    x = 69,012,711.72/11,082
  6. Step 6: Final answer
    x = 6,227.46

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.