Home / 12,249.81-18,360.14-7,044.75

Finding the Fourth Proportional to 12,249.81, 18,360.14 and 7,044.75

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Solution

The fourth proportional to 12,249.81, 18,360.14 and 7,044.75 is: 10,558.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.81 : 18,360.14 = 7,044.75 : x
  2. Step 2: Convert to fraction form
    12,249.81/18,360.14 = 7,044.75/x
  3. Step 3: Cross multiply
    12,249.81x = 18,360.14 × 7,044.75
  4. Step 4: Simplify right side
    12,249.81x = 129,342,561.04
  5. Step 5: Solve for x
    x = 129,342,561.04/12,249.81
  6. Step 6: Final answer
    x = 10,558.74

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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.