Home / 12,187.97-18,268.13-5,600.54

Finding the Fourth Proportional to 12,187.97, 18,268.13 and 5,600.54

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Solution

The fourth proportional to 12,187.97, 18,268.13 and 5,600.54 is: 8,394.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187.97 : 18,268.13 = 5,600.54 : x
  2. Step 2: Convert to fraction form
    12,187.97/18,268.13 = 5,600.54/x
  3. Step 3: Cross multiply
    12,187.97x = 18,268.13 × 5,600.54
  4. Step 4: Simplify right side
    12,187.97x = 102,311,452.46
  5. Step 5: Solve for x
    x = 102,311,452.46/12,187.97
  6. Step 6: Final answer
    x = 8,394.46

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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.