Home / 12,167.27-16,790.96-6,790.19

Finding the Fourth Proportional to 12,167.27, 16,790.96 and 6,790.19

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Solution

The fourth proportional to 12,167.27, 16,790.96 and 6,790.19 is: 9,370.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.27 : 16,790.96 = 6,790.19 : x
  2. Step 2: Convert to fraction form
    12,167.27/16,790.96 = 6,790.19/x
  3. Step 3: Cross multiply
    12,167.27x = 16,790.96 × 6,790.19
  4. Step 4: Simplify right side
    12,167.27x = 114,013,808.68
  5. Step 5: Solve for x
    x = 114,013,808.68/12,167.27
  6. Step 6: Final answer
    x = 9,370.53

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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.