Home / 11,615.70-17,418.23-3,716.69

Finding the Fourth Proportional to 11,615.70, 17,418.23 and 3,716.69

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Solution

The fourth proportional to 11,615.70, 17,418.23 and 3,716.69 is: 5,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.70 : 17,418.23 = 3,716.69 : x
  2. Step 2: Convert to fraction form
    11,615.70/17,418.23 = 3,716.69/x
  3. Step 3: Cross multiply
    11,615.70x = 17,418.23 × 3,716.69
  4. Step 4: Simplify right side
    11,615.70x = 64,738,055.58
  5. Step 5: Solve for x
    x = 64,738,055.58/11,615.70
  6. Step 6: Final answer
    x = 5,573.32

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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.