Home / 12,186.27-18,264.66-5,936.91

Finding the Fourth Proportional to 12,186.27, 18,264.66 and 5,936.91

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Solution

The fourth proportional to 12,186.27, 18,264.66 and 5,936.91 is: 8,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186.27 : 18,264.66 = 5,936.91 : x
  2. Step 2: Convert to fraction form
    12,186.27/18,264.66 = 5,936.91/x
  3. Step 3: Cross multiply
    12,186.27x = 18,264.66 × 5,936.91
  4. Step 4: Simplify right side
    12,186.27x = 108,435,642.60
  5. Step 5: Solve for x
    x = 108,435,642.60/12,186.27
  6. Step 6: Final answer
    x = 8,898.18

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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.