Home / 11,957.19-17,936.41-3,636.56

Finding the Fourth Proportional to 11,957.19, 17,936.41 and 3,636.56

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Solution

The fourth proportional to 11,957.19, 17,936.41 and 3,636.56 is: 5,455.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,957.19 : 17,936.41 = 3,636.56 : x
  2. Step 2: Convert to fraction form
    11,957.19/17,936.41 = 3,636.56/x
  3. Step 3: Cross multiply
    11,957.19x = 17,936.41 × 3,636.56
  4. Step 4: Simplify right side
    11,957.19x = 65,226,831.15
  5. Step 5: Solve for x
    x = 65,226,831.15/11,957.19
  6. Step 6: Final answer
    x = 5,455.03

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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.