Home / 10,422.24-15,633.44-3,027.20

Finding the Fourth Proportional to 10,422.24, 15,633.44 and 3,027.20

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Solution

The fourth proportional to 10,422.24, 15,633.44 and 3,027.20 is: 4,540.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.24 : 15,633.44 = 3,027.20 : x
  2. Step 2: Convert to fraction form
    10,422.24/15,633.44 = 3,027.20/x
  3. Step 3: Cross multiply
    10,422.24x = 15,633.44 × 3,027.20
  4. Step 4: Simplify right side
    10,422.24x = 47,325,549.57
  5. Step 5: Solve for x
    x = 47,325,549.57/10,422.24
  6. Step 6: Final answer
    x = 4,540.82

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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.