Home / 10,144.75-15,217.83-3,124.33

Finding the Fourth Proportional to 10,144.75, 15,217.83 and 3,124.33

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Solution

The fourth proportional to 10,144.75, 15,217.83 and 3,124.33 is: 4,686.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.75 : 15,217.83 = 3,124.33 : x
  2. Step 2: Convert to fraction form
    10,144.75/15,217.83 = 3,124.33/x
  3. Step 3: Cross multiply
    10,144.75x = 15,217.83 × 3,124.33
  4. Step 4: Simplify right side
    10,144.75x = 47,545,522.80
  5. Step 5: Solve for x
    x = 47,545,522.80/10,144.75
  6. Step 6: Final answer
    x = 4,686.71

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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.