Home / 8,149.92-12,224.75-2,603.23

Finding the Fourth Proportional to 8,149.92, 12,224.75 and 2,603.23

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Solution

The fourth proportional to 8,149.92, 12,224.75 and 2,603.23 is: 3,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.92 : 12,224.75 = 2,603.23 : x
  2. Step 2: Convert to fraction form
    8,149.92/12,224.75 = 2,603.23/x
  3. Step 3: Cross multiply
    8,149.92x = 12,224.75 × 2,603.23
  4. Step 4: Simplify right side
    8,149.92x = 31,823,761.80
  5. Step 5: Solve for x
    x = 31,823,761.80/8,149.92
  6. Step 6: Final answer
    x = 3,904.79

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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.