Home / 12,099.24-18,145.41-5,080.84

Finding the Fourth Proportional to 12,099.24, 18,145.41 and 5,080.84

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Solution

The fourth proportional to 12,099.24, 18,145.41 and 5,080.84 is: 7,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.24 : 18,145.41 = 5,080.84 : x
  2. Step 2: Convert to fraction form
    12,099.24/18,145.41 = 5,080.84/x
  3. Step 3: Cross multiply
    12,099.24x = 18,145.41 × 5,080.84
  4. Step 4: Simplify right side
    12,099.24x = 92,193,834.22
  5. Step 5: Solve for x
    x = 92,193,834.22/12,099.24
  6. Step 6: Final answer
    x = 7,619.80

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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.