Home / 11,615.08-17,425.32-3,823.60

Finding the Fourth Proportional to 11,615.08, 17,425.32 and 3,823.60

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Solution

The fourth proportional to 11,615.08, 17,425.32 and 3,823.60 is: 5,736.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.08 : 17,425.32 = 3,823.60 : x
  2. Step 2: Convert to fraction form
    11,615.08/17,425.32 = 3,823.60/x
  3. Step 3: Cross multiply
    11,615.08x = 17,425.32 × 3,823.60
  4. Step 4: Simplify right side
    11,615.08x = 66,627,453.55
  5. Step 5: Solve for x
    x = 66,627,453.55/11,615.08
  6. Step 6: Final answer
    x = 5,736.29

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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.