Home / 8,082.39-11,153.66-4,545.53

Finding the Fourth Proportional to 8,082.39, 11,153.66 and 4,545.53

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Solution

The fourth proportional to 8,082.39, 11,153.66 and 4,545.53 is: 6,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.39 : 11,153.66 = 4,545.53 : x
  2. Step 2: Convert to fraction form
    8,082.39/11,153.66 = 4,545.53/x
  3. Step 3: Cross multiply
    8,082.39x = 11,153.66 × 4,545.53
  4. Step 4: Simplify right side
    8,082.39x = 50,699,217.64
  5. Step 5: Solve for x
    x = 50,699,217.64/8,082.39
  6. Step 6: Final answer
    x = 6,272.80

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Half scale
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Double scale
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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.