Home / 11,982.67-16,536.05-6,949.81

Finding the Fourth Proportional to 11,982.67, 16,536.05 and 6,949.81

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Solution

The fourth proportional to 11,982.67, 16,536.05 and 6,949.81 is: 9,590.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.67 : 16,536.05 = 6,949.81 : x
  2. Step 2: Convert to fraction form
    11,982.67/16,536.05 = 6,949.81/x
  3. Step 3: Cross multiply
    11,982.67x = 16,536.05 × 6,949.81
  4. Step 4: Simplify right side
    11,982.67x = 114,922,371.13
  5. Step 5: Solve for x
    x = 114,922,371.13/11,982.67
  6. Step 6: Final answer
    x = 9,590.72

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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.