Home / 10,432.38-15,647.19-3,768.19

Finding the Fourth Proportional to 10,432.38, 15,647.19 and 3,768.19

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Solution

The fourth proportional to 10,432.38, 15,647.19 and 3,768.19 is: 5,651.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.38 : 15,647.19 = 3,768.19 : x
  2. Step 2: Convert to fraction form
    10,432.38/15,647.19 = 3,768.19/x
  3. Step 3: Cross multiply
    10,432.38x = 15,647.19 × 3,768.19
  4. Step 4: Simplify right side
    10,432.38x = 58,961,584.89
  5. Step 5: Solve for x
    x = 58,961,584.89/10,432.38
  6. Step 6: Final answer
    x = 5,651.79

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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.