Home / 8,249.45-12,376.20-2,406.06

Finding the Fourth Proportional to 8,249.45, 12,376.20 and 2,406.06

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Solution

The fourth proportional to 8,249.45, 12,376.20 and 2,406.06 is: 3,609.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.45 : 12,376.20 = 2,406.06 : x
  2. Step 2: Convert to fraction form
    8,249.45/12,376.20 = 2,406.06/x
  3. Step 3: Cross multiply
    8,249.45x = 12,376.20 × 2,406.06
  4. Step 4: Simplify right side
    8,249.45x = 29,777,879.77
  5. Step 5: Solve for x
    x = 29,777,879.77/8,249.45
  6. Step 6: Final answer
    x = 3,609.68

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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.