Home / 8,767.44-12,091.68-7,520.04

Finding the Fourth Proportional to 8,767.44, 12,091.68 and 7,520.04

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Solution

The fourth proportional to 8,767.44, 12,091.68 and 7,520.04 is: 10,371.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.44 : 12,091.68 = 7,520.04 : x
  2. Step 2: Convert to fraction form
    8,767.44/12,091.68 = 7,520.04/x
  3. Step 3: Cross multiply
    8,767.44x = 12,091.68 × 7,520.04
  4. Step 4: Simplify right side
    8,767.44x = 90,929,917.27
  5. Step 5: Solve for x
    x = 90,929,917.27/8,767.44
  6. Step 6: Final answer
    x = 10,371.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.