Home / 11,326.50-16,996.62-7,160.76

Finding the Fourth Proportional to 11,326.50, 16,996.62 and 7,160.76

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Solution

The fourth proportional to 11,326.50, 16,996.62 and 7,160.76 is: 10,745.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.50 : 16,996.62 = 7,160.76 : x
  2. Step 2: Convert to fraction form
    11,326.50/16,996.62 = 7,160.76/x
  3. Step 3: Cross multiply
    11,326.50x = 16,996.62 × 7,160.76
  4. Step 4: Simplify right side
    11,326.50x = 121,708,716.63
  5. Step 5: Solve for x
    x = 121,708,716.63/11,326.50
  6. Step 6: Final answer
    x = 10,745.48

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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.