Home / 10,422.78-15,633.74-3,027.09

Finding the Fourth Proportional to 10,422.78, 15,633.74 and 3,027.09

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Solution

The fourth proportional to 10,422.78, 15,633.74 and 3,027.09 is: 4,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.78 : 15,633.74 = 3,027.09 : x
  2. Step 2: Convert to fraction form
    10,422.78/15,633.74 = 3,027.09/x
  3. Step 3: Cross multiply
    10,422.78x = 15,633.74 × 3,027.09
  4. Step 4: Simplify right side
    10,422.78x = 47,324,722.88
  5. Step 5: Solve for x
    x = 47,324,722.88/10,422.78
  6. Step 6: Final answer
    x = 4,540.51

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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.