Home / 8,191.92-12,286.66-4,030.81

Finding the Fourth Proportional to 8,191.92, 12,286.66 and 4,030.81

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Solution

The fourth proportional to 8,191.92, 12,286.66 and 4,030.81 is: 6,045.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191.92 : 12,286.66 = 4,030.81 : x
  2. Step 2: Convert to fraction form
    8,191.92/12,286.66 = 4,030.81/x
  3. Step 3: Cross multiply
    8,191.92x = 12,286.66 × 4,030.81
  4. Step 4: Simplify right side
    8,191.92x = 49,525,191.99
  5. Step 5: Solve for x
    x = 49,525,191.99/8,191.92
  6. Step 6: Final answer
    x = 6,045.61

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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.