Home / 6,913.36-9,540.66-3,769.72

Finding the Fourth Proportional to 6,913.36, 9,540.66 and 3,769.72

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Solution

The fourth proportional to 6,913.36, 9,540.66 and 3,769.72 is: 5,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.36 : 9,540.66 = 3,769.72 : x
  2. Step 2: Convert to fraction form
    6,913.36/9,540.66 = 3,769.72/x
  3. Step 3: Cross multiply
    6,913.36x = 9,540.66 × 3,769.72
  4. Step 4: Simplify right side
    6,913.36x = 35,965,616.82
  5. Step 5: Solve for x
    x = 35,965,616.82/6,913.36
  6. Step 6: Final answer
    x = 5,202.34

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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.