Home / 12,167.15-16,790.68-6,578.15

Finding the Fourth Proportional to 12,167.15, 16,790.68 and 6,578.15

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Solution

The fourth proportional to 12,167.15, 16,790.68 and 6,578.15 is: 9,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.15 : 16,790.68 = 6,578.15 : x
  2. Step 2: Convert to fraction form
    12,167.15/16,790.68 = 6,578.15/x
  3. Step 3: Cross multiply
    12,167.15x = 16,790.68 × 6,578.15
  4. Step 4: Simplify right side
    12,167.15x = 110,451,527.69
  5. Step 5: Solve for x
    x = 110,451,527.69/12,167.15
  6. Step 6: Final answer
    x = 9,077.85

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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.