Home / 10,023.41-15,040.30-7,272.76

Finding the Fourth Proportional to 10,023.41, 15,040.30 and 7,272.76

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Solution

The fourth proportional to 10,023.41, 15,040.30 and 7,272.76 is: 10,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,023.41 : 15,040.30 = 7,272.76 : x
  2. Step 2: Convert to fraction form
    10,023.41/15,040.30 = 7,272.76/x
  3. Step 3: Cross multiply
    10,023.41x = 15,040.30 × 7,272.76
  4. Step 4: Simplify right side
    10,023.41x = 109,384,489.90
  5. Step 5: Solve for x
    x = 109,384,489.90/10,023.41
  6. Step 6: Final answer
    x = 10,912.90

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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.