Home / 12,172.41-16,793.42-8,993.37

Finding the Fourth Proportional to 12,172.41, 16,793.42 and 8,993.37

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Solution

The fourth proportional to 12,172.41, 16,793.42 and 8,993.37 is: 12,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,172.41 : 16,793.42 = 8,993.37 : x
  2. Step 2: Convert to fraction form
    12,172.41/16,793.42 = 8,993.37/x
  3. Step 3: Cross multiply
    12,172.41x = 16,793.42 × 8,993.37
  4. Step 4: Simplify right side
    12,172.41x = 151,029,378.14
  5. Step 5: Solve for x
    x = 151,029,378.14/12,172.41
  6. Step 6: Final answer
    x = 12,407.51

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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.