Home / 12,504.60-17,258.22-7,198.39

Finding the Fourth Proportional to 12,504.60, 17,258.22 and 7,198.39

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Solution

The fourth proportional to 12,504.60, 17,258.22 and 7,198.39 is: 9,934.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.60 : 17,258.22 = 7,198.39 : x
  2. Step 2: Convert to fraction form
    12,504.60/17,258.22 = 7,198.39/x
  3. Step 3: Cross multiply
    12,504.60x = 17,258.22 × 7,198.39
  4. Step 4: Simplify right side
    12,504.60x = 124,231,355.12
  5. Step 5: Solve for x
    x = 124,231,355.12/12,504.60
  6. Step 6: Final answer
    x = 9,934.85

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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.