Home / 12,399.07-18,598.22-3,039.11

Finding the Fourth Proportional to 12,399.07, 18,598.22 and 3,039.11

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Solution

The fourth proportional to 12,399.07, 18,598.22 and 3,039.11 is: 4,558.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399.07 : 18,598.22 = 3,039.11 : x
  2. Step 2: Convert to fraction form
    12,399.07/18,598.22 = 3,039.11/x
  3. Step 3: Cross multiply
    12,399.07x = 18,598.22 × 3,039.11
  4. Step 4: Simplify right side
    12,399.07x = 56,522,067.68
  5. Step 5: Solve for x
    x = 56,522,067.68/12,399.07
  6. Step 6: Final answer
    x = 4,558.57

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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.