Home / 8,418.20-12,625.86-2,494.96

Finding the Fourth Proportional to 8,418.20, 12,625.86 and 2,494.96

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Solution

The fourth proportional to 8,418.20, 12,625.86 and 2,494.96 is: 3,742.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.20 : 12,625.86 = 2,494.96 : x
  2. Step 2: Convert to fraction form
    8,418.20/12,625.86 = 2,494.96/x
  3. Step 3: Cross multiply
    8,418.20x = 12,625.86 × 2,494.96
  4. Step 4: Simplify right side
    8,418.20x = 31,501,015.67
  5. Step 5: Solve for x
    x = 31,501,015.67/8,418.20
  6. Step 6: Final answer
    x = 3,742.01

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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.