Home / 12,099.26-18,125.22-8,342.20

Finding the Fourth Proportional to 12,099.26, 18,125.22 and 8,342.20

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Solution

The fourth proportional to 12,099.26, 18,125.22 and 8,342.20 is: 12,496.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.26 : 18,125.22 = 8,342.20 : x
  2. Step 2: Convert to fraction form
    12,099.26/18,125.22 = 8,342.20/x
  3. Step 3: Cross multiply
    12,099.26x = 18,125.22 × 8,342.20
  4. Step 4: Simplify right side
    12,099.26x = 151,204,210.28
  5. Step 5: Solve for x
    x = 151,204,210.28/12,099.26
  6. Step 6: Final answer
    x = 12,496.98

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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.