Home / 11,914.24-17,867.52-4,121.60

Finding the Fourth Proportional to 11,914.24, 17,867.52 and 4,121.60

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Solution

The fourth proportional to 11,914.24, 17,867.52 and 4,121.60 is: 6,181.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914.24 : 17,867.52 = 4,121.60 : x
  2. Step 2: Convert to fraction form
    11,914.24/17,867.52 = 4,121.60/x
  3. Step 3: Cross multiply
    11,914.24x = 17,867.52 × 4,121.60
  4. Step 4: Simplify right side
    11,914.24x = 73,642,770.43
  5. Step 5: Solve for x
    x = 73,642,770.43/11,914.24
  6. Step 6: Final answer
    x = 6,181.07

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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.