Home / 7,936.97-10,954.13-4,913.06

Finding the Fourth Proportional to 7,936.97, 10,954.13 and 4,913.06

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Solution

The fourth proportional to 7,936.97, 10,954.13 and 4,913.06 is: 6,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.97 : 10,954.13 = 4,913.06 : x
  2. Step 2: Convert to fraction form
    7,936.97/10,954.13 = 4,913.06/x
  3. Step 3: Cross multiply
    7,936.97x = 10,954.13 × 4,913.06
  4. Step 4: Simplify right side
    7,936.97x = 53,818,297.94
  5. Step 5: Solve for x
    x = 53,818,297.94/7,936.97
  6. Step 6: Final answer
    x = 6,780.71

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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.