Home / 11,519.25-15,884.82-10,849.65

Finding the Fourth Proportional to 11,519.25, 15,884.82 and 10,849.65

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Solution

The fourth proportional to 11,519.25, 15,884.82 and 10,849.65 is: 14,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.25 : 15,884.82 = 10,849.65 : x
  2. Step 2: Convert to fraction form
    11,519.25/15,884.82 = 10,849.65/x
  3. Step 3: Cross multiply
    11,519.25x = 15,884.82 × 10,849.65
  4. Step 4: Simplify right side
    11,519.25x = 172,344,737.31
  5. Step 5: Solve for x
    x = 172,344,737.31/11,519.25
  6. Step 6: Final answer
    x = 14,961.45

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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.