Home / 11,179.34-16,769.16-2,859.42

Finding the Fourth Proportional to 11,179.34, 16,769.16 and 2,859.42

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Solution

The fourth proportional to 11,179.34, 16,769.16 and 2,859.42 is: 4,289.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.34 : 16,769.16 = 2,859.42 : x
  2. Step 2: Convert to fraction form
    11,179.34/16,769.16 = 2,859.42/x
  3. Step 3: Cross multiply
    11,179.34x = 16,769.16 × 2,859.42
  4. Step 4: Simplify right side
    11,179.34x = 47,950,071.49
  5. Step 5: Solve for x
    x = 47,950,071.49/11,179.34
  6. Step 6: Final answer
    x = 4,289.17

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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.