Home / 11,772.23-16,249.95-7,794.63

Finding the Fourth Proportional to 11,772.23, 16,249.95 and 7,794.63

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Solution

The fourth proportional to 11,772.23, 16,249.95 and 7,794.63 is: 10,759.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772.23 : 16,249.95 = 7,794.63 : x
  2. Step 2: Convert to fraction form
    11,772.23/16,249.95 = 7,794.63/x
  3. Step 3: Cross multiply
    11,772.23x = 16,249.95 × 7,794.63
  4. Step 4: Simplify right side
    11,772.23x = 126,662,279.91
  5. Step 5: Solve for x
    x = 126,662,279.91/11,772.23
  6. Step 6: Final answer
    x = 10,759.41

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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.