Home / 11,781.27-17,651.16-6,222.36

Finding the Fourth Proportional to 11,781.27, 17,651.16 and 6,222.36

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Solution

The fourth proportional to 11,781.27, 17,651.16 and 6,222.36 is: 9,322.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.27 : 17,651.16 = 6,222.36 : x
  2. Step 2: Convert to fraction form
    11,781.27/17,651.16 = 6,222.36/x
  3. Step 3: Cross multiply
    11,781.27x = 17,651.16 × 6,222.36
  4. Step 4: Simplify right side
    11,781.27x = 109,831,871.94
  5. Step 5: Solve for x
    x = 109,831,871.94/11,781.27
  6. Step 6: Final answer
    x = 9,322.58

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1.5x scale

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.