Home / 8,476.76-11,698.70-5,121.24

Finding the Fourth Proportional to 8,476.76, 11,698.70 and 5,121.24

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Solution

The fourth proportional to 8,476.76, 11,698.70 and 5,121.24 is: 7,067.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.76 : 11,698.70 = 5,121.24 : x
  2. Step 2: Convert to fraction form
    8,476.76/11,698.70 = 5,121.24/x
  3. Step 3: Cross multiply
    8,476.76x = 11,698.70 × 5,121.24
  4. Step 4: Simplify right side
    8,476.76x = 59,911,850.39
  5. Step 5: Solve for x
    x = 59,911,850.39/8,476.76
  6. Step 6: Final answer
    x = 7,067.78

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Half scale
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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.