Home / 6,917.35-9,546.51-3,934.12

Finding the Fourth Proportional to 6,917.35, 9,546.51 and 3,934.12

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Solution

The fourth proportional to 6,917.35, 9,546.51 and 3,934.12 is: 5,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.35 : 9,546.51 = 3,934.12 : x
  2. Step 2: Convert to fraction form
    6,917.35/9,546.51 = 3,934.12/x
  3. Step 3: Cross multiply
    6,917.35x = 9,546.51 × 3,934.12
  4. Step 4: Simplify right side
    6,917.35x = 37,557,115.92
  5. Step 5: Solve for x
    x = 37,557,115.92/6,917.35
  6. Step 6: Final answer
    x = 5,429.41

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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.