Home / 12,306.44-16,982.94-6,717.56

Finding the Fourth Proportional to 12,306.44, 16,982.94 and 6,717.56

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Solution

The fourth proportional to 12,306.44, 16,982.94 and 6,717.56 is: 9,270.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306.44 : 16,982.94 = 6,717.56 : x
  2. Step 2: Convert to fraction form
    12,306.44/16,982.94 = 6,717.56/x
  3. Step 3: Cross multiply
    12,306.44x = 16,982.94 × 6,717.56
  4. Step 4: Simplify right side
    12,306.44x = 114,083,918.43
  5. Step 5: Solve for x
    x = 114,083,918.43/12,306.44
  6. Step 6: Final answer
    x = 9,270.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.