Home / 6,696.63-9,239.43-3,863.79

Finding the Fourth Proportional to 6,696.63, 9,239.43 and 3,863.79

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Solution

The fourth proportional to 6,696.63, 9,239.43 and 3,863.79 is: 5,330.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,696.63 : 9,239.43 = 3,863.79 : x
  2. Step 2: Convert to fraction form
    6,696.63/9,239.43 = 3,863.79/x
  3. Step 3: Cross multiply
    6,696.63x = 9,239.43 × 3,863.79
  4. Step 4: Simplify right side
    6,696.63x = 35,699,217.24
  5. Step 5: Solve for x
    x = 35,699,217.24/6,696.63
  6. Step 6: Final answer
    x = 5,330.92

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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.