Home / 8,186.04-11,286.82-6,369.59

Finding the Fourth Proportional to 8,186.04, 11,286.82 and 6,369.59

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Solution

The fourth proportional to 8,186.04, 11,286.82 and 6,369.59 is: 8,782.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.04 : 11,286.82 = 6,369.59 : x
  2. Step 2: Convert to fraction form
    8,186.04/11,286.82 = 6,369.59/x
  3. Step 3: Cross multiply
    8,186.04x = 11,286.82 × 6,369.59
  4. Step 4: Simplify right side
    8,186.04x = 71,892,415.80
  5. Step 5: Solve for x
    x = 71,892,415.80/8,186.04
  6. Step 6: Final answer
    x = 8,782.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.