Home / 8,099.79-11,178.23-6,106.83

Finding the Fourth Proportional to 8,099.79, 11,178.23 and 6,106.83

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Solution

The fourth proportional to 8,099.79, 11,178.23 and 6,106.83 is: 8,427.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.79 : 11,178.23 = 6,106.83 : x
  2. Step 2: Convert to fraction form
    8,099.79/11,178.23 = 6,106.83/x
  3. Step 3: Cross multiply
    8,099.79x = 11,178.23 × 6,106.83
  4. Step 4: Simplify right side
    8,099.79x = 68,263,519.78
  5. Step 5: Solve for x
    x = 68,263,519.78/8,099.79
  6. Step 6: Final answer
    x = 8,427.81

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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.