Home / 9,469.77-13,067.69-5,220.61

Finding the Fourth Proportional to 9,469.77, 13,067.69 and 5,220.61

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Solution

The fourth proportional to 9,469.77, 13,067.69 and 5,220.61 is: 7,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,469.77 : 13,067.69 = 5,220.61 : x
  2. Step 2: Convert to fraction form
    9,469.77/13,067.69 = 5,220.61/x
  3. Step 3: Cross multiply
    9,469.77x = 13,067.69 × 5,220.61
  4. Step 4: Simplify right side
    9,469.77x = 68,221,313.09
  5. Step 5: Solve for x
    x = 68,221,313.09/9,469.77
  6. Step 6: Final answer
    x = 7,204.12

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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.