Home / 11,984.36-17,976.54-5,054.44

Finding the Fourth Proportional to 11,984.36, 17,976.54 and 5,054.44

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Solution

The fourth proportional to 11,984.36, 17,976.54 and 5,054.44 is: 7,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.36 : 17,976.54 = 5,054.44 : x
  2. Step 2: Convert to fraction form
    11,984.36/17,976.54 = 5,054.44/x
  3. Step 3: Cross multiply
    11,984.36x = 17,976.54 × 5,054.44
  4. Step 4: Simplify right side
    11,984.36x = 90,861,342.84
  5. Step 5: Solve for x
    x = 90,861,342.84/11,984.36
  6. Step 6: Final answer
    x = 7,581.66

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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.