Home / 10,766.86-16,121.32-6,079.84

Finding the Fourth Proportional to 10,766.86, 16,121.32 and 6,079.84

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Solution

The fourth proportional to 10,766.86, 16,121.32 and 6,079.84 is: 9,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766.86 : 16,121.32 = 6,079.84 : x
  2. Step 2: Convert to fraction form
    10,766.86/16,121.32 = 6,079.84/x
  3. Step 3: Cross multiply
    10,766.86x = 16,121.32 × 6,079.84
  4. Step 4: Simplify right side
    10,766.86x = 98,015,046.19
  5. Step 5: Solve for x
    x = 98,015,046.19/10,766.86
  6. Step 6: Final answer
    x = 9,103.40

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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.