Home / 7,414.36-10,227.74-4,720.56

Finding the Fourth Proportional to 7,414.36, 10,227.74 and 4,720.56

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Solution

The fourth proportional to 7,414.36, 10,227.74 and 4,720.56 is: 6,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.36 : 10,227.74 = 4,720.56 : x
  2. Step 2: Convert to fraction form
    7,414.36/10,227.74 = 4,720.56/x
  3. Step 3: Cross multiply
    7,414.36x = 10,227.74 × 4,720.56
  4. Step 4: Simplify right side
    7,414.36x = 48,280,660.33
  5. Step 5: Solve for x
    x = 48,280,660.33/7,414.36
  6. Step 6: Final answer
    x = 6,511.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.