Home / 7,631.16-11,443.50-3,469.92

Finding the Fourth Proportional to 7,631.16, 11,443.50 and 3,469.92

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Solution

The fourth proportional to 7,631.16, 11,443.50 and 3,469.92 is: 5,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.16 : 11,443.50 = 3,469.92 : x
  2. Step 2: Convert to fraction form
    7,631.16/11,443.50 = 3,469.92/x
  3. Step 3: Cross multiply
    7,631.16x = 11,443.50 × 3,469.92
  4. Step 4: Simplify right side
    7,631.16x = 39,708,029.52
  5. Step 5: Solve for x
    x = 39,708,029.52/7,631.16
  6. Step 6: Final answer
    x = 5,203.41

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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.