Home / 6,686.04-9,231.66-6,188.43

Finding the Fourth Proportional to 6,686.04, 9,231.66 and 6,188.43

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Solution

The fourth proportional to 6,686.04, 9,231.66 and 6,188.43 is: 8,544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.04 : 9,231.66 = 6,188.43 : x
  2. Step 2: Convert to fraction form
    6,686.04/9,231.66 = 6,188.43/x
  3. Step 3: Cross multiply
    6,686.04x = 9,231.66 × 6,188.43
  4. Step 4: Simplify right side
    6,686.04x = 57,129,481.69
  5. Step 5: Solve for x
    x = 57,129,481.69/6,686.04
  6. Step 6: Final answer
    x = 8,544.59

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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.