Home / 7,997.92-11,997.24-2,450.86

Finding the Fourth Proportional to 7,997.92, 11,997.24 and 2,450.86

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Solution

The fourth proportional to 7,997.92, 11,997.24 and 2,450.86 is: 3,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.92 : 11,997.24 = 2,450.86 : x
  2. Step 2: Convert to fraction form
    7,997.92/11,997.24 = 2,450.86/x
  3. Step 3: Cross multiply
    7,997.92x = 11,997.24 × 2,450.86
  4. Step 4: Simplify right side
    7,997.92x = 29,403,555.63
  5. Step 5: Solve for x
    x = 29,403,555.63/7,997.92
  6. Step 6: Final answer
    x = 3,676.40

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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.