Home / 11,519.80-17,276.29-4,944.42

Finding the Fourth Proportional to 11,519.80, 17,276.29 and 4,944.42

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Solution

The fourth proportional to 11,519.80, 17,276.29 and 4,944.42 is: 7,415.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.80 : 17,276.29 = 4,944.42 : x
  2. Step 2: Convert to fraction form
    11,519.80/17,276.29 = 4,944.42/x
  3. Step 3: Cross multiply
    11,519.80x = 17,276.29 × 4,944.42
  4. Step 4: Simplify right side
    11,519.80x = 85,421,221.44
  5. Step 5: Solve for x
    x = 85,421,221.44/11,519.80
  6. Step 6: Final answer
    x = 7,415.17

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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.