Home / 8,247.72-12,372.70-2,404.28

Finding the Fourth Proportional to 8,247.72, 12,372.70 and 2,404.28

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Solution

The fourth proportional to 8,247.72, 12,372.70 and 2,404.28 is: 3,606.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.72 : 12,372.70 = 2,404.28 : x
  2. Step 2: Convert to fraction form
    8,247.72/12,372.70 = 2,404.28/x
  3. Step 3: Cross multiply
    8,247.72x = 12,372.70 × 2,404.28
  4. Step 4: Simplify right side
    8,247.72x = 29,747,435.16
  5. Step 5: Solve for x
    x = 29,747,435.16/8,247.72
  6. Step 6: Final answer
    x = 3,606.75

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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.