Home / 12,391.01-18,588.83-4,073.43

Finding the Fourth Proportional to 12,391.01, 18,588.83 and 4,073.43

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Solution

The fourth proportional to 12,391.01, 18,588.83 and 4,073.43 is: 6,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391.01 : 18,588.83 = 4,073.43 : x
  2. Step 2: Convert to fraction form
    12,391.01/18,588.83 = 4,073.43/x
  3. Step 3: Cross multiply
    12,391.01x = 18,588.83 × 4,073.43
  4. Step 4: Simplify right side
    12,391.01x = 75,720,297.79
  5. Step 5: Solve for x
    x = 75,720,297.79/12,391.01
  6. Step 6: Final answer
    x = 6,110.91

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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.