Home / 8,350.15-11,520.41-4,813.29

Finding the Fourth Proportional to 8,350.15, 11,520.41 and 4,813.29

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Solution

The fourth proportional to 8,350.15, 11,520.41 and 4,813.29 is: 6,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.15 : 11,520.41 = 4,813.29 : x
  2. Step 2: Convert to fraction form
    8,350.15/11,520.41 = 4,813.29/x
  3. Step 3: Cross multiply
    8,350.15x = 11,520.41 × 4,813.29
  4. Step 4: Simplify right side
    8,350.15x = 55,451,074.25
  5. Step 5: Solve for x
    x = 55,451,074.25/8,350.15
  6. Step 6: Final answer
    x = 6,640.73

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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.