Home / 6,965.26-9,612.16-3,821.38

Finding the Fourth Proportional to 6,965.26, 9,612.16 and 3,821.38

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Solution

The fourth proportional to 6,965.26, 9,612.16 and 3,821.38 is: 5,273.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,965.26 : 9,612.16 = 3,821.38 : x
  2. Step 2: Convert to fraction form
    6,965.26/9,612.16 = 3,821.38/x
  3. Step 3: Cross multiply
    6,965.26x = 9,612.16 × 3,821.38
  4. Step 4: Simplify right side
    6,965.26x = 36,731,715.98
  5. Step 5: Solve for x
    x = 36,731,715.98/6,965.26
  6. Step 6: Final answer
    x = 5,273.56

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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.