Home / 8,821.91-12,174.23-4,843.27

Finding the Fourth Proportional to 8,821.91, 12,174.23 and 4,843.27

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Solution

The fourth proportional to 8,821.91, 12,174.23 and 4,843.27 is: 6,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.91 : 12,174.23 = 4,843.27 : x
  2. Step 2: Convert to fraction form
    8,821.91/12,174.23 = 4,843.27/x
  3. Step 3: Cross multiply
    8,821.91x = 12,174.23 × 4,843.27
  4. Step 4: Simplify right side
    8,821.91x = 58,963,058.72
  5. Step 5: Solve for x
    x = 58,963,058.72/8,821.91
  6. Step 6: Final answer
    x = 6,683.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.