Home / 6,865.14-9,473.86-3,721.33

Finding the Fourth Proportional to 6,865.14, 9,473.86 and 3,721.33

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Solution

The fourth proportional to 6,865.14, 9,473.86 and 3,721.33 is: 5,135.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.14 : 9,473.86 = 3,721.33 : x
  2. Step 2: Convert to fraction form
    6,865.14/9,473.86 = 3,721.33/x
  3. Step 3: Cross multiply
    6,865.14x = 9,473.86 × 3,721.33
  4. Step 4: Simplify right side
    6,865.14x = 35,255,359.43
  5. Step 5: Solve for x
    x = 35,255,359.43/6,865.14
  6. Step 6: Final answer
    x = 5,135.42

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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.