Home / 10,689.26-16,036.42-3,669.36

Finding the Fourth Proportional to 10,689.26, 16,036.42 and 3,669.36

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Solution

The fourth proportional to 10,689.26, 16,036.42 and 3,669.36 is: 5,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689.26 : 16,036.42 = 3,669.36 : x
  2. Step 2: Convert to fraction form
    10,689.26/16,036.42 = 3,669.36/x
  3. Step 3: Cross multiply
    10,689.26x = 16,036.42 × 3,669.36
  4. Step 4: Simplify right side
    10,689.26x = 58,843,398.09
  5. Step 5: Solve for x
    x = 58,843,398.09/10,689.26
  6. Step 6: Final answer
    x = 5,504.91

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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.