Home / 8,091.72-12,137.48-2,248.28

Finding the Fourth Proportional to 8,091.72, 12,137.48 and 2,248.28

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Solution

The fourth proportional to 8,091.72, 12,137.48 and 2,248.28 is: 3,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.72 : 12,137.48 = 2,248.28 : x
  2. Step 2: Convert to fraction form
    8,091.72/12,137.48 = 2,248.28/x
  3. Step 3: Cross multiply
    8,091.72x = 12,137.48 × 2,248.28
  4. Step 4: Simplify right side
    8,091.72x = 27,288,453.53
  5. Step 5: Solve for x
    x = 27,288,453.53/8,091.72
  6. Step 6: Final answer
    x = 3,372.39

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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.