Home / 7,936.53-10,939.77-6,255.33

Finding the Fourth Proportional to 7,936.53, 10,939.77 and 6,255.33

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Solution

The fourth proportional to 7,936.53, 10,939.77 and 6,255.33 is: 8,622.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.53 : 10,939.77 = 6,255.33 : x
  2. Step 2: Convert to fraction form
    7,936.53/10,939.77 = 6,255.33/x
  3. Step 3: Cross multiply
    7,936.53x = 10,939.77 × 6,255.33
  4. Step 4: Simplify right side
    7,936.53x = 68,431,871.47
  5. Step 5: Solve for x
    x = 68,431,871.47/7,936.53
  6. Step 6: Final answer
    x = 8,622.39

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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.