Home / 6,895.26-9,515.66-3,910.97

Finding the Fourth Proportional to 6,895.26, 9,515.66 and 3,910.97

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Solution

The fourth proportional to 6,895.26, 9,515.66 and 3,910.97 is: 5,397.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.26 : 9,515.66 = 3,910.97 : x
  2. Step 2: Convert to fraction form
    6,895.26/9,515.66 = 3,910.97/x
  3. Step 3: Cross multiply
    6,895.26x = 9,515.66 × 3,910.97
  4. Step 4: Simplify right side
    6,895.26x = 37,215,465.02
  5. Step 5: Solve for x
    x = 37,215,465.02/6,895.26
  6. Step 6: Final answer
    x = 5,397.25

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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.