Home / 11,264.43-16,891.81-3,869.63

Finding the Fourth Proportional to 11,264.43, 16,891.81 and 3,869.63

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Solution

The fourth proportional to 11,264.43, 16,891.81 and 3,869.63 is: 5,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,264.43 : 16,891.81 = 3,869.63 : x
  2. Step 2: Convert to fraction form
    11,264.43/16,891.81 = 3,869.63/x
  3. Step 3: Cross multiply
    11,264.43x = 16,891.81 × 3,869.63
  4. Step 4: Simplify right side
    11,264.43x = 65,365,054.73
  5. Step 5: Solve for x
    x = 65,365,054.73/11,264.43
  6. Step 6: Final answer
    x = 5,802.78

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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.