Home / 11,651.45-16,079.11-6,934.82

Finding the Fourth Proportional to 11,651.45, 16,079.11 and 6,934.82

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Solution

The fourth proportional to 11,651.45, 16,079.11 and 6,934.82 is: 9,570.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,651.45 : 16,079.11 = 6,934.82 : x
  2. Step 2: Convert to fraction form
    11,651.45/16,079.11 = 6,934.82/x
  3. Step 3: Cross multiply
    11,651.45x = 16,079.11 × 6,934.82
  4. Step 4: Simplify right side
    11,651.45x = 111,505,635.88
  5. Step 5: Solve for x
    x = 111,505,635.88/11,651.45
  6. Step 6: Final answer
    x = 9,570.11

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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.