Home / 10,238.62-15,351.14-3,999.23

Finding the Fourth Proportional to 10,238.62, 15,351.14 and 3,999.23

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Solution

The fourth proportional to 10,238.62, 15,351.14 and 3,999.23 is: 5,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,238.62 : 15,351.14 = 3,999.23 : x
  2. Step 2: Convert to fraction form
    10,238.62/15,351.14 = 3,999.23/x
  3. Step 3: Cross multiply
    10,238.62x = 15,351.14 × 3,999.23
  4. Step 4: Simplify right side
    10,238.62x = 61,392,672.86
  5. Step 5: Solve for x
    x = 61,392,672.86/10,238.62
  6. Step 6: Final answer
    x = 5,996.19

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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.