Home / 10,620.73-15,933.39-3,225.75

Finding the Fourth Proportional to 10,620.73, 15,933.39 and 3,225.75

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Solution

The fourth proportional to 10,620.73, 15,933.39 and 3,225.75 is: 4,839.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.73 : 15,933.39 = 3,225.75 : x
  2. Step 2: Convert to fraction form
    10,620.73/15,933.39 = 3,225.75/x
  3. Step 3: Cross multiply
    10,620.73x = 15,933.39 × 3,225.75
  4. Step 4: Simplify right side
    10,620.73x = 51,397,132.79
  5. Step 5: Solve for x
    x = 51,397,132.79/10,620.73
  6. Step 6: Final answer
    x = 4,839.32

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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.