Home / 9,723.97-13,415.09-7,212.27

Finding the Fourth Proportional to 9,723.97, 13,415.09 and 7,212.27

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Solution

The fourth proportional to 9,723.97, 13,415.09 and 7,212.27 is: 9,949.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,723.97 : 13,415.09 = 7,212.27 : x
  2. Step 2: Convert to fraction form
    9,723.97/13,415.09 = 7,212.27/x
  3. Step 3: Cross multiply
    9,723.97x = 13,415.09 × 7,212.27
  4. Step 4: Simplify right side
    9,723.97x = 96,753,251.15
  5. Step 5: Solve for x
    x = 96,753,251.15/9,723.97
  6. Step 6: Final answer
    x = 9,949.97

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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.