Home / 11,975.44-17,955.06-4,180

Finding the Fourth Proportional to 11,975.44, 17,955.06 and 4,180

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Solution

The fourth proportional to 11,975.44, 17,955.06 and 4,180 is: 6,267.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.44 : 17,955.06 = 4,180 : x
  2. Step 2: Convert to fraction form
    11,975.44/17,955.06 = 4,180/x
  3. Step 3: Cross multiply
    11,975.44x = 17,955.06 × 4,180
  4. Step 4: Simplify right side
    11,975.44x = 75,052,150.80
  5. Step 5: Solve for x
    x = 75,052,150.80/11,975.44
  6. Step 6: Final answer
    x = 6,267.17

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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.