Home / 8,173.64-12,249.66-2,974.52

Finding the Fourth Proportional to 8,173.64, 12,249.66 and 2,974.52

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Solution

The fourth proportional to 8,173.64, 12,249.66 and 2,974.52 is: 4,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.64 : 12,249.66 = 2,974.52 : x
  2. Step 2: Convert to fraction form
    8,173.64/12,249.66 = 2,974.52/x
  3. Step 3: Cross multiply
    8,173.64x = 12,249.66 × 2,974.52
  4. Step 4: Simplify right side
    8,173.64x = 36,436,858.66
  5. Step 5: Solve for x
    x = 36,436,858.66/8,173.64
  6. Step 6: Final answer
    x = 4,457.85

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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.