Home / 11,375.81-17,052.91-3,975.45

Finding the Fourth Proportional to 11,375.81, 17,052.91 and 3,975.45

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Solution

The fourth proportional to 11,375.81, 17,052.91 and 3,975.45 is: 5,959.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.81 : 17,052.91 = 3,975.45 : x
  2. Step 2: Convert to fraction form
    11,375.81/17,052.91 = 3,975.45/x
  3. Step 3: Cross multiply
    11,375.81x = 17,052.91 × 3,975.45
  4. Step 4: Simplify right side
    11,375.81x = 67,792,905.79
  5. Step 5: Solve for x
    x = 67,792,905.79/11,375.81
  6. Step 6: Final answer
    x = 5,959.39

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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.