Home / 6,865.26-9,473.80-3,721.38

Finding the Fourth Proportional to 6,865.26, 9,473.80 and 3,721.38

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Solution

The fourth proportional to 6,865.26, 9,473.80 and 3,721.38 is: 5,135.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.26 : 9,473.80 = 3,721.38 : x
  2. Step 2: Convert to fraction form
    6,865.26/9,473.80 = 3,721.38/x
  3. Step 3: Cross multiply
    6,865.26x = 9,473.80 × 3,721.38
  4. Step 4: Simplify right side
    6,865.26x = 35,255,609.84
  5. Step 5: Solve for x
    x = 35,255,609.84/6,865.26
  6. Step 6: Final answer
    x = 5,135.36

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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.