Home / 7,636.71-11,456.70-2,371.61

Finding the Fourth Proportional to 7,636.71, 11,456.70 and 2,371.61

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Solution

The fourth proportional to 7,636.71, 11,456.70 and 2,371.61 is: 3,557.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.71 : 11,456.70 = 2,371.61 : x
  2. Step 2: Convert to fraction form
    7,636.71/11,456.70 = 2,371.61/x
  3. Step 3: Cross multiply
    7,636.71x = 11,456.70 × 2,371.61
  4. Step 4: Simplify right side
    7,636.71x = 27,170,767.00
  5. Step 5: Solve for x
    x = 27,170,767.00/7,636.71
  6. Step 6: Final answer
    x = 3,557.92

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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.