Home / 11,972.44-17,966.40-5,398.22

Finding the Fourth Proportional to 11,972.44, 17,966.40 and 5,398.22

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Solution

The fourth proportional to 11,972.44, 17,966.40 and 5,398.22 is: 8,100.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.44 : 17,966.40 = 5,398.22 : x
  2. Step 2: Convert to fraction form
    11,972.44/17,966.40 = 5,398.22/x
  3. Step 3: Cross multiply
    11,972.44x = 17,966.40 × 5,398.22
  4. Step 4: Simplify right side
    11,972.44x = 96,986,579.81
  5. Step 5: Solve for x
    x = 96,986,579.81/11,972.44
  6. Step 6: Final answer
    x = 8,100.82

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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.