Home / 6,913.11-9,540.10-3,769.30

Finding the Fourth Proportional to 6,913.11, 9,540.10 and 3,769.30

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Solution

The fourth proportional to 6,913.11, 9,540.10 and 3,769.30 is: 5,201.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.11 : 9,540.10 = 3,769.30 : x
  2. Step 2: Convert to fraction form
    6,913.11/9,540.10 = 3,769.30/x
  3. Step 3: Cross multiply
    6,913.11x = 9,540.10 × 3,769.30
  4. Step 4: Simplify right side
    6,913.11x = 35,959,498.93
  5. Step 5: Solve for x
    x = 35,959,498.93/6,913.11
  6. Step 6: Final answer
    x = 5,201.64

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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.