Home / 8,183.15-12,276.68-2,637.02

Finding the Fourth Proportional to 8,183.15, 12,276.68 and 2,637.02

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Solution

The fourth proportional to 8,183.15, 12,276.68 and 2,637.02 is: 3,956.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.15 : 12,276.68 = 2,637.02 : x
  2. Step 2: Convert to fraction form
    8,183.15/12,276.68 = 2,637.02/x
  3. Step 3: Cross multiply
    8,183.15x = 12,276.68 × 2,637.02
  4. Step 4: Simplify right side
    8,183.15x = 32,373,795.90
  5. Step 5: Solve for x
    x = 32,373,795.90/8,183.15
  6. Step 6: Final answer
    x = 3,956.16

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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.