Home / 9,218.44-12,707.58-6,982.84

Finding the Fourth Proportional to 9,218.44, 12,707.58 and 6,982.84

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Solution

The fourth proportional to 9,218.44, 12,707.58 and 6,982.84 is: 9,625.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.44 : 12,707.58 = 6,982.84 : x
  2. Step 2: Convert to fraction form
    9,218.44/12,707.58 = 6,982.84/x
  3. Step 3: Cross multiply
    9,218.44x = 12,707.58 × 6,982.84
  4. Step 4: Simplify right side
    9,218.44x = 88,734,997.93
  5. Step 5: Solve for x
    x = 88,734,997.93/9,218.44
  6. Step 6: Final answer
    x = 9,625.81

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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.