Home / 12,306.82-16,983.39-6,717.82

Finding the Fourth Proportional to 12,306.82, 16,983.39 and 6,717.82

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Solution

The fourth proportional to 12,306.82, 16,983.39 and 6,717.82 is: 9,270.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306.82 : 16,983.39 = 6,717.82 : x
  2. Step 2: Convert to fraction form
    12,306.82/16,983.39 = 6,717.82/x
  3. Step 3: Cross multiply
    12,306.82x = 16,983.39 × 6,717.82
  4. Step 4: Simplify right side
    12,306.82x = 114,091,357.01
  5. Step 5: Solve for x
    x = 114,091,357.01/12,306.82
  6. Step 6: Final answer
    x = 9,270.58

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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.