Home / 10,511.97-15,766.43-3,395.26

Finding the Fourth Proportional to 10,511.97, 15,766.43 and 3,395.26

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Solution

The fourth proportional to 10,511.97, 15,766.43 and 3,395.26 is: 5,092.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.97 : 15,766.43 = 3,395.26 : x
  2. Step 2: Convert to fraction form
    10,511.97/15,766.43 = 3,395.26/x
  3. Step 3: Cross multiply
    10,511.97x = 15,766.43 × 3,395.26
  4. Step 4: Simplify right side
    10,511.97x = 53,531,098.19
  5. Step 5: Solve for x
    x = 53,531,098.19/10,511.97
  6. Step 6: Final answer
    x = 5,092.39

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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.