Home / 8,736.45-12,055.39-5,198.97

Finding the Fourth Proportional to 8,736.45, 12,055.39 and 5,198.97

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Solution

The fourth proportional to 8,736.45, 12,055.39 and 5,198.97 is: 7,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.45 : 12,055.39 = 5,198.97 : x
  2. Step 2: Convert to fraction form
    8,736.45/12,055.39 = 5,198.97/x
  3. Step 3: Cross multiply
    8,736.45x = 12,055.39 × 5,198.97
  4. Step 4: Simplify right side
    8,736.45x = 62,675,610.95
  5. Step 5: Solve for x
    x = 62,675,610.95/8,736.45
  6. Step 6: Final answer
    x = 7,174.04

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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.