Home / 6,891.05-10,336.61-1,696.93

Finding the Fourth Proportional to 6,891.05, 10,336.61 and 1,696.93

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Solution

The fourth proportional to 6,891.05, 10,336.61 and 1,696.93 is: 2,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.05 : 10,336.61 = 1,696.93 : x
  2. Step 2: Convert to fraction form
    6,891.05/10,336.61 = 1,696.93/x
  3. Step 3: Cross multiply
    6,891.05x = 10,336.61 × 1,696.93
  4. Step 4: Simplify right side
    6,891.05x = 17,540,469.28
  5. Step 5: Solve for x
    x = 17,540,469.28/6,891.05
  6. Step 6: Final answer
    x = 2,545.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.