Home / 7,439.25-11,163.20-3,335.25

Finding the Fourth Proportional to 7,439.25, 11,163.20 and 3,335.25

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Solution

The fourth proportional to 7,439.25, 11,163.20 and 3,335.25 is: 5,004.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.25 : 11,163.20 = 3,335.25 : x
  2. Step 2: Convert to fraction form
    7,439.25/11,163.20 = 3,335.25/x
  3. Step 3: Cross multiply
    7,439.25x = 11,163.20 × 3,335.25
  4. Step 4: Simplify right side
    7,439.25x = 37,232,062.80
  5. Step 5: Solve for x
    x = 37,232,062.80/7,439.25
  6. Step 6: Final answer
    x = 5,004.81

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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.