Home / 12,065.09-18,099.45-4,273.29

Finding the Fourth Proportional to 12,065.09, 18,099.45 and 4,273.29

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Solution

The fourth proportional to 12,065.09, 18,099.45 and 4,273.29 is: 6,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.09 : 18,099.45 = 4,273.29 : x
  2. Step 2: Convert to fraction form
    12,065.09/18,099.45 = 4,273.29/x
  3. Step 3: Cross multiply
    12,065.09x = 18,099.45 × 4,273.29
  4. Step 4: Simplify right side
    12,065.09x = 77,344,198.69
  5. Step 5: Solve for x
    x = 77,344,198.69/12,065.09
  6. Step 6: Final answer
    x = 6,410.58

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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.