Home / 9,091.44-13,631.76-3,894.48

Finding the Fourth Proportional to 9,091.44, 13,631.76 and 3,894.48

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Solution

The fourth proportional to 9,091.44, 13,631.76 and 3,894.48 is: 5,839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.44 : 13,631.76 = 3,894.48 : x
  2. Step 2: Convert to fraction form
    9,091.44/13,631.76 = 3,894.48/x
  3. Step 3: Cross multiply
    9,091.44x = 13,631.76 × 3,894.48
  4. Step 4: Simplify right side
    9,091.44x = 53,088,616.68
  5. Step 5: Solve for x
    x = 53,088,616.68/9,091.44
  6. Step 6: Final answer
    x = 5,839.41

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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.