Home / 11,934.74-16,470.24-6,629.42

Finding the Fourth Proportional to 11,934.74, 16,470.24 and 6,629.42

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Solution

The fourth proportional to 11,934.74, 16,470.24 and 6,629.42 is: 9,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.74 : 16,470.24 = 6,629.42 : x
  2. Step 2: Convert to fraction form
    11,934.74/16,470.24 = 6,629.42/x
  3. Step 3: Cross multiply
    11,934.74x = 16,470.24 × 6,629.42
  4. Step 4: Simplify right side
    11,934.74x = 109,188,138.46
  5. Step 5: Solve for x
    x = 109,188,138.46/11,934.74
  6. Step 6: Final answer
    x = 9,148.77

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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.