Home / 10,622.68-15,934.86-3,227.78

Finding the Fourth Proportional to 10,622.68, 15,934.86 and 3,227.78

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Solution

The fourth proportional to 10,622.68, 15,934.86 and 3,227.78 is: 4,841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.68 : 15,934.86 = 3,227.78 : x
  2. Step 2: Convert to fraction form
    10,622.68/15,934.86 = 3,227.78/x
  3. Step 3: Cross multiply
    10,622.68x = 15,934.86 × 3,227.78
  4. Step 4: Simplify right side
    10,622.68x = 51,434,262.25
  5. Step 5: Solve for x
    x = 51,434,262.25/10,622.68
  6. Step 6: Final answer
    x = 4,841.93

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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.