Home / 6,842.38-10,263.78-2,162.43

Finding the Fourth Proportional to 6,842.38, 10,263.78 and 2,162.43

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Solution

The fourth proportional to 6,842.38, 10,263.78 and 2,162.43 is: 3,243.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,842.38 : 10,263.78 = 2,162.43 : x
  2. Step 2: Convert to fraction form
    6,842.38/10,263.78 = 2,162.43/x
  3. Step 3: Cross multiply
    6,842.38x = 10,263.78 × 2,162.43
  4. Step 4: Simplify right side
    6,842.38x = 22,194,705.79
  5. Step 5: Solve for x
    x = 22,194,705.79/6,842.38
  6. Step 6: Final answer
    x = 3,243.71

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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.