Home / 8,424.54-12,611.50-5,610.60

Finding the Fourth Proportional to 8,424.54, 12,611.50 and 5,610.60

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Solution

The fourth proportional to 8,424.54, 12,611.50 and 5,610.60 is: 8,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.54 : 12,611.50 = 5,610.60 : x
  2. Step 2: Convert to fraction form
    8,424.54/12,611.50 = 5,610.60/x
  3. Step 3: Cross multiply
    8,424.54x = 12,611.50 × 5,610.60
  4. Step 4: Simplify right side
    8,424.54x = 70,758,067.87
  5. Step 5: Solve for x
    x = 70,758,067.87/8,424.54
  6. Step 6: Final answer
    x = 8,399.04

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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.