Home / 8,462.20-11,673.64-5,480.60

Finding the Fourth Proportional to 8,462.20, 11,673.64 and 5,480.60

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Solution

The fourth proportional to 8,462.20, 11,673.64 and 5,480.60 is: 7,560.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.20 : 11,673.64 = 5,480.60 : x
  2. Step 2: Convert to fraction form
    8,462.20/11,673.64 = 5,480.60/x
  3. Step 3: Cross multiply
    8,462.20x = 11,673.64 × 5,480.60
  4. Step 4: Simplify right side
    8,462.20x = 63,978,551.38
  5. Step 5: Solve for x
    x = 63,978,551.38/8,462.20
  6. Step 6: Final answer
    x = 7,560.51

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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.