Home / 11,837.82-17,754.21-3,515.58

Finding the Fourth Proportional to 11,837.82, 17,754.21 and 3,515.58

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Solution

The fourth proportional to 11,837.82, 17,754.21 and 3,515.58 is: 5,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837.82 : 17,754.21 = 3,515.58 : x
  2. Step 2: Convert to fraction form
    11,837.82/17,754.21 = 3,515.58/x
  3. Step 3: Cross multiply
    11,837.82x = 17,754.21 × 3,515.58
  4. Step 4: Simplify right side
    11,837.82x = 62,416,345.59
  5. Step 5: Solve for x
    x = 62,416,345.59/11,837.82
  6. Step 6: Final answer
    x = 5,272.62

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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.