Home / 8,401.16-12,601.74-2,557.73

Finding the Fourth Proportional to 8,401.16, 12,601.74 and 2,557.73

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Solution

The fourth proportional to 8,401.16, 12,601.74 and 2,557.73 is: 3,836.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401.16 : 12,601.74 = 2,557.73 : x
  2. Step 2: Convert to fraction form
    8,401.16/12,601.74 = 2,557.73/x
  3. Step 3: Cross multiply
    8,401.16x = 12,601.74 × 2,557.73
  4. Step 4: Simplify right side
    8,401.16x = 32,231,785.44
  5. Step 5: Solve for x
    x = 32,231,785.44/8,401.16
  6. Step 6: Final answer
    x = 3,836.59

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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.