Home / 11,826.99-17,717.81-6,636.51

Finding the Fourth Proportional to 11,826.99, 17,717.81 and 6,636.51

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Solution

The fourth proportional to 11,826.99, 17,717.81 and 6,636.51 is: 9,942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.99 : 17,717.81 = 6,636.51 : x
  2. Step 2: Convert to fraction form
    11,826.99/17,717.81 = 6,636.51/x
  3. Step 3: Cross multiply
    11,826.99x = 17,717.81 × 6,636.51
  4. Step 4: Simplify right side
    11,826.99x = 117,584,390.06
  5. Step 5: Solve for x
    x = 117,584,390.06/11,826.99
  6. Step 6: Final answer
    x = 9,942.04

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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.