Home / 7,462.60-11,180.40-5,912.80

Finding the Fourth Proportional to 7,462.60, 11,180.40 and 5,912.80

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Solution

The fourth proportional to 7,462.60, 11,180.40 and 5,912.80 is: 8,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,462.60 : 11,180.40 = 5,912.80 : x
  2. Step 2: Convert to fraction form
    7,462.60/11,180.40 = 5,912.80/x
  3. Step 3: Cross multiply
    7,462.60x = 11,180.40 × 5,912.80
  4. Step 4: Simplify right side
    7,462.60x = 66,107,469.12
  5. Step 5: Solve for x
    x = 66,107,469.12/7,462.60
  6. Step 6: Final answer
    x = 8,858.50

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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.