Home / 8,247.49-12,372.53-2,699.53

Finding the Fourth Proportional to 8,247.49, 12,372.53 and 2,699.53

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Solution

The fourth proportional to 8,247.49, 12,372.53 and 2,699.53 is: 4,049.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.49 : 12,372.53 = 2,699.53 : x
  2. Step 2: Convert to fraction form
    8,247.49/12,372.53 = 2,699.53/x
  3. Step 3: Cross multiply
    8,247.49x = 12,372.53 × 2,699.53
  4. Step 4: Simplify right side
    8,247.49x = 33,400,015.91
  5. Step 5: Solve for x
    x = 33,400,015.91/8,247.49
  6. Step 6: Final answer
    x = 4,049.72

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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.