Home / 7,229.20-10,845.12-2,846.56

Finding the Fourth Proportional to 7,229.20, 10,845.12 and 2,846.56

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Solution

The fourth proportional to 7,229.20, 10,845.12 and 2,846.56 is: 4,270.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.20 : 10,845.12 = 2,846.56 : x
  2. Step 2: Convert to fraction form
    7,229.20/10,845.12 = 2,846.56/x
  3. Step 3: Cross multiply
    7,229.20x = 10,845.12 × 2,846.56
  4. Step 4: Simplify right side
    7,229.20x = 30,871,284.79
  5. Step 5: Solve for x
    x = 30,871,284.79/7,229.20
  6. Step 6: Final answer
    x = 4,270.36

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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.