Home / 7,231.50-10,842.39-3,333.78

Finding the Fourth Proportional to 7,231.50, 10,842.39 and 3,333.78

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Solution

The fourth proportional to 7,231.50, 10,842.39 and 3,333.78 is: 4,998.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.50 : 10,842.39 = 3,333.78 : x
  2. Step 2: Convert to fraction form
    7,231.50/10,842.39 = 3,333.78/x
  3. Step 3: Cross multiply
    7,231.50x = 10,842.39 × 3,333.78
  4. Step 4: Simplify right side
    7,231.50x = 36,146,142.93
  5. Step 5: Solve for x
    x = 36,146,142.93/7,231.50
  6. Step 6: Final answer
    x = 4,998.43

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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.