Home / 8,408.86-11,604.23-4,874.12

Finding the Fourth Proportional to 8,408.86, 11,604.23 and 4,874.12

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Solution

The fourth proportional to 8,408.86, 11,604.23 and 4,874.12 is: 6,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.86 : 11,604.23 = 4,874.12 : x
  2. Step 2: Convert to fraction form
    8,408.86/11,604.23 = 4,874.12/x
  3. Step 3: Cross multiply
    8,408.86x = 11,604.23 × 4,874.12
  4. Step 4: Simplify right side
    8,408.86x = 56,560,450.72
  5. Step 5: Solve for x
    x = 56,560,450.72/8,408.86
  6. Step 6: Final answer
    x = 6,726.29

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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.