Home / 7,863.17-10,839.44-5,205.97

Finding the Fourth Proportional to 7,863.17, 10,839.44 and 5,205.97

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Solution

The fourth proportional to 7,863.17, 10,839.44 and 5,205.97 is: 7,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.17 : 10,839.44 = 5,205.97 : x
  2. Step 2: Convert to fraction form
    7,863.17/10,839.44 = 5,205.97/x
  3. Step 3: Cross multiply
    7,863.17x = 10,839.44 × 5,205.97
  4. Step 4: Simplify right side
    7,863.17x = 56,429,719.23
  5. Step 5: Solve for x
    x = 56,429,719.23/7,863.17
  6. Step 6: Final answer
    x = 7,176.46

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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.