Home / 11,962.40-17,947.44-3,644.03

Finding the Fourth Proportional to 11,962.40, 17,947.44 and 3,644.03

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Solution

The fourth proportional to 11,962.40, 17,947.44 and 3,644.03 is: 5,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.40 : 17,947.44 = 3,644.03 : x
  2. Step 2: Convert to fraction form
    11,962.40/17,947.44 = 3,644.03/x
  3. Step 3: Cross multiply
    11,962.40x = 17,947.44 × 3,644.03
  4. Step 4: Simplify right side
    11,962.40x = 65,401,009.78
  5. Step 5: Solve for x
    x = 65,401,009.78/11,962.40
  6. Step 6: Final answer
    x = 5,467.21

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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.