Home / 6,827.49-9,418.78-4,936.07

Finding the Fourth Proportional to 6,827.49, 9,418.78 and 4,936.07

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Solution

The fourth proportional to 6,827.49, 9,418.78 and 4,936.07 is: 6,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,827.49 : 9,418.78 = 4,936.07 : x
  2. Step 2: Convert to fraction form
    6,827.49/9,418.78 = 4,936.07/x
  3. Step 3: Cross multiply
    6,827.49x = 9,418.78 × 4,936.07
  4. Step 4: Simplify right side
    6,827.49x = 46,491,757.39
  5. Step 5: Solve for x
    x = 46,491,757.39/6,827.49
  6. Step 6: Final answer
    x = 6,809.49

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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.