Home / 12,167.87-16,791.27-6,790.46

Finding the Fourth Proportional to 12,167.87, 16,791.27 and 6,790.46

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Solution

The fourth proportional to 12,167.87, 16,791.27 and 6,790.46 is: 9,370.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.87 : 16,791.27 = 6,790.46 : x
  2. Step 2: Convert to fraction form
    12,167.87/16,791.27 = 6,790.46/x
  3. Step 3: Cross multiply
    12,167.87x = 16,791.27 × 6,790.46
  4. Step 4: Simplify right side
    12,167.87x = 114,020,363.33
  5. Step 5: Solve for x
    x = 114,020,363.33/12,167.87
  6. Step 6: Final answer
    x = 9,370.61

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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.