Home / 8,161.98-12,247.05-3,235.77

Finding the Fourth Proportional to 8,161.98, 12,247.05 and 3,235.77

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Solution

The fourth proportional to 8,161.98, 12,247.05 and 3,235.77 is: 4,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.98 : 12,247.05 = 3,235.77 : x
  2. Step 2: Convert to fraction form
    8,161.98/12,247.05 = 3,235.77/x
  3. Step 3: Cross multiply
    8,161.98x = 12,247.05 × 3,235.77
  4. Step 4: Simplify right side
    8,161.98x = 39,628,636.98
  5. Step 5: Solve for x
    x = 39,628,636.98/8,161.98
  6. Step 6: Final answer
    x = 4,855.27

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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.