Home / 10,550.25-15,825.69-2,759.13

Finding the Fourth Proportional to 10,550.25, 15,825.69 and 2,759.13

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Solution

The fourth proportional to 10,550.25, 15,825.69 and 2,759.13 is: 4,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550.25 : 15,825.69 = 2,759.13 : x
  2. Step 2: Convert to fraction form
    10,550.25/15,825.69 = 2,759.13/x
  3. Step 3: Cross multiply
    10,550.25x = 15,825.69 × 2,759.13
  4. Step 4: Simplify right side
    10,550.25x = 43,665,136.05
  5. Step 5: Solve for x
    x = 43,665,136.05/10,550.25
  6. Step 6: Final answer
    x = 4,138.78

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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.