Home / 7,625.32-11,438.62-3,243.88

Finding the Fourth Proportional to 7,625.32, 11,438.62 and 3,243.88

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Solution

The fourth proportional to 7,625.32, 11,438.62 and 3,243.88 is: 4,866.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.32 : 11,438.62 = 3,243.88 : x
  2. Step 2: Convert to fraction form
    7,625.32/11,438.62 = 3,243.88/x
  3. Step 3: Cross multiply
    7,625.32x = 11,438.62 × 3,243.88
  4. Step 4: Simplify right side
    7,625.32x = 37,105,510.65
  5. Step 5: Solve for x
    x = 37,105,510.65/7,625.32
  6. Step 6: Final answer
    x = 4,866.09

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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.