Home / 11,976.44-17,972.40-5,402.22

Finding the Fourth Proportional to 11,976.44, 17,972.40 and 5,402.22

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Solution

The fourth proportional to 11,976.44, 17,972.40 and 5,402.22 is: 8,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.44 : 17,972.40 = 5,402.22 : x
  2. Step 2: Convert to fraction form
    11,976.44/17,972.40 = 5,402.22/x
  3. Step 3: Cross multiply
    11,976.44x = 17,972.40 × 5,402.22
  4. Step 4: Simplify right side
    11,976.44x = 97,090,858.73
  5. Step 5: Solve for x
    x = 97,090,858.73/11,976.44
  6. Step 6: Final answer
    x = 8,106.82

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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.