Home / 6,961.29-9,605.03-3,976.17

Finding the Fourth Proportional to 6,961.29, 9,605.03 and 3,976.17

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Solution

The fourth proportional to 6,961.29, 9,605.03 and 3,976.17 is: 5,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.29 : 9,605.03 = 3,976.17 : x
  2. Step 2: Convert to fraction form
    6,961.29/9,605.03 = 3,976.17/x
  3. Step 3: Cross multiply
    6,961.29x = 9,605.03 × 3,976.17
  4. Step 4: Simplify right side
    6,961.29x = 38,191,212.25
  5. Step 5: Solve for x
    x = 38,191,212.25/6,961.29
  6. Step 6: Final answer
    x = 5,486.23

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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.