Home / 8,119.83-11,197.60-4,933.65

Finding the Fourth Proportional to 8,119.83, 11,197.60 and 4,933.65

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Solution

The fourth proportional to 8,119.83, 11,197.60 and 4,933.65 is: 6,803.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.83 : 11,197.60 = 4,933.65 : x
  2. Step 2: Convert to fraction form
    8,119.83/11,197.60 = 4,933.65/x
  3. Step 3: Cross multiply
    8,119.83x = 11,197.60 × 4,933.65
  4. Step 4: Simplify right side
    8,119.83x = 55,245,039.24
  5. Step 5: Solve for x
    x = 55,245,039.24/8,119.83
  6. Step 6: Final answer
    x = 6,803.72

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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.