Home / 8,287.41-11,433.01-5,451.14

Finding the Fourth Proportional to 8,287.41, 11,433.01 and 5,451.14

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Solution

The fourth proportional to 8,287.41, 11,433.01 and 5,451.14 is: 7,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.41 : 11,433.01 = 5,451.14 : x
  2. Step 2: Convert to fraction form
    8,287.41/11,433.01 = 5,451.14/x
  3. Step 3: Cross multiply
    8,287.41x = 11,433.01 × 5,451.14
  4. Step 4: Simplify right side
    8,287.41x = 62,322,910.88
  5. Step 5: Solve for x
    x = 62,322,910.88/8,287.41
  6. Step 6: Final answer
    x = 7,520.19

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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.