Home / 8,327.17-12,484.60-3,939.50

Finding the Fourth Proportional to 8,327.17, 12,484.60 and 3,939.50

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Solution

The fourth proportional to 8,327.17, 12,484.60 and 3,939.50 is: 5,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.17 : 12,484.60 = 3,939.50 : x
  2. Step 2: Convert to fraction form
    8,327.17/12,484.60 = 3,939.50/x
  3. Step 3: Cross multiply
    8,327.17x = 12,484.60 × 3,939.50
  4. Step 4: Simplify right side
    8,327.17x = 49,183,081.70
  5. Step 5: Solve for x
    x = 49,183,081.70/8,327.17
  6. Step 6: Final answer
    x = 5,906.34

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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.