Home / 7,067.83-10,585.34-6,821.80

Finding the Fourth Proportional to 7,067.83, 10,585.34 and 6,821.80

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Solution

The fourth proportional to 7,067.83, 10,585.34 and 6,821.80 is: 10,216.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.83 : 10,585.34 = 6,821.80 : x
  2. Step 2: Convert to fraction form
    7,067.83/10,585.34 = 6,821.80/x
  3. Step 3: Cross multiply
    7,067.83x = 10,585.34 × 6,821.80
  4. Step 4: Simplify right side
    7,067.83x = 72,211,072.41
  5. Step 5: Solve for x
    x = 72,211,072.41/7,067.83
  6. Step 6: Final answer
    x = 10,216.87

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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.