Home / 11,619.35-17,419.22-5,040.58

Finding the Fourth Proportional to 11,619.35, 17,419.22 and 5,040.58

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Solution

The fourth proportional to 11,619.35, 17,419.22 and 5,040.58 is: 7,556.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.35 : 17,419.22 = 5,040.58 : x
  2. Step 2: Convert to fraction form
    11,619.35/17,419.22 = 5,040.58/x
  3. Step 3: Cross multiply
    11,619.35x = 17,419.22 × 5,040.58
  4. Step 4: Simplify right side
    11,619.35x = 87,802,971.95
  5. Step 5: Solve for x
    x = 87,802,971.95/11,619.35
  6. Step 6: Final answer
    x = 7,556.62

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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.