Home / 11,981.44-17,964.32-5,741.26

Finding the Fourth Proportional to 11,981.44, 17,964.32 and 5,741.26

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Solution

The fourth proportional to 11,981.44, 17,964.32 and 5,741.26 is: 8,608.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981.44 : 17,964.32 = 5,741.26 : x
  2. Step 2: Convert to fraction form
    11,981.44/17,964.32 = 5,741.26/x
  3. Step 3: Cross multiply
    11,981.44x = 17,964.32 × 5,741.26
  4. Step 4: Simplify right side
    11,981.44x = 103,137,831.84
  5. Step 5: Solve for x
    x = 103,137,831.84/11,981.44
  6. Step 6: Final answer
    x = 8,608.13

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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.