Home / 8,158.60-11,257.88-4,572.73

Finding the Fourth Proportional to 8,158.60, 11,257.88 and 4,572.73

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Solution

The fourth proportional to 8,158.60, 11,257.88 and 4,572.73 is: 6,309.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.60 : 11,257.88 = 4,572.73 : x
  2. Step 2: Convert to fraction form
    8,158.60/11,257.88 = 4,572.73/x
  3. Step 3: Cross multiply
    8,158.60x = 11,257.88 × 4,572.73
  4. Step 4: Simplify right side
    8,158.60x = 51,479,236.82
  5. Step 5: Solve for x
    x = 51,479,236.82/8,158.60
  6. Step 6: Final answer
    x = 6,309.81

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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.