Home / 11,619.44-17,427.36-3,828.32

Finding the Fourth Proportional to 11,619.44, 17,427.36 and 3,828.32

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Solution

The fourth proportional to 11,619.44, 17,427.36 and 3,828.32 is: 5,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.44 : 17,427.36 = 3,828.32 : x
  2. Step 2: Convert to fraction form
    11,619.44/17,427.36 = 3,828.32/x
  3. Step 3: Cross multiply
    11,619.44x = 17,427.36 × 3,828.32
  4. Step 4: Simplify right side
    11,619.44x = 66,717,510.84
  5. Step 5: Solve for x
    x = 66,717,510.84/11,619.44
  6. Step 6: Final answer
    x = 5,741.89

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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.