Home / 8,099.17-12,148.80-2,255.79

Finding the Fourth Proportional to 8,099.17, 12,148.80 and 2,255.79

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Solution

The fourth proportional to 8,099.17, 12,148.80 and 2,255.79 is: 3,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.17 : 12,148.80 = 2,255.79 : x
  2. Step 2: Convert to fraction form
    8,099.17/12,148.80 = 2,255.79/x
  3. Step 3: Cross multiply
    8,099.17x = 12,148.80 × 2,255.79
  4. Step 4: Simplify right side
    8,099.17x = 27,405,141.55
  5. Step 5: Solve for x
    x = 27,405,141.55/8,099.17
  6. Step 6: Final answer
    x = 3,383.70

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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.