Home / 9,082.49-12,537.32-8,136.68

Finding the Fourth Proportional to 9,082.49, 12,537.32 and 8,136.68

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Solution

The fourth proportional to 9,082.49, 12,537.32 and 8,136.68 is: 11,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,082.49 : 12,537.32 = 8,136.68 : x
  2. Step 2: Convert to fraction form
    9,082.49/12,537.32 = 8,136.68/x
  3. Step 3: Cross multiply
    9,082.49x = 12,537.32 × 8,136.68
  4. Step 4: Simplify right side
    9,082.49x = 102,012,057.53
  5. Step 5: Solve for x
    x = 102,012,057.53/9,082.49
  6. Step 6: Final answer
    x = 11,231.73

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Half scale
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Double scale
Find fourth proportional to 9,083.49, 12,538.70 and 8,137.68
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.