Home / 10,015.38-15,023.38-3,441.47

Finding the Fourth Proportional to 10,015.38, 15,023.38 and 3,441.47

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Solution

The fourth proportional to 10,015.38, 15,023.38 and 3,441.47 is: 5,162.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.38 : 15,023.38 = 3,441.47 : x
  2. Step 2: Convert to fraction form
    10,015.38/15,023.38 = 3,441.47/x
  3. Step 3: Cross multiply
    10,015.38x = 15,023.38 × 3,441.47
  4. Step 4: Simplify right side
    10,015.38x = 51,702,540.52
  5. Step 5: Solve for x
    x = 51,702,540.52/10,015.38
  6. Step 6: Final answer
    x = 5,162.31

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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.