Home / 11,943.76-17,915.62-3,735.76

Finding the Fourth Proportional to 11,943.76, 17,915.62 and 3,735.76

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Solution

The fourth proportional to 11,943.76, 17,915.62 and 3,735.76 is: 5,603.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.76 : 17,915.62 = 3,735.76 : x
  2. Step 2: Convert to fraction form
    11,943.76/17,915.62 = 3,735.76/x
  3. Step 3: Cross multiply
    11,943.76x = 17,915.62 × 3,735.76
  4. Step 4: Simplify right side
    11,943.76x = 66,928,456.57
  5. Step 5: Solve for x
    x = 66,928,456.57/11,943.76
  6. Step 6: Final answer
    x = 5,603.63

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1.5x scale

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.