Home / 10,782.10-16,167.68-4,933.70

Finding the Fourth Proportional to 10,782.10, 16,167.68 and 4,933.70

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Solution

The fourth proportional to 10,782.10, 16,167.68 and 4,933.70 is: 7,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.10 : 16,167.68 = 4,933.70 : x
  2. Step 2: Convert to fraction form
    10,782.10/16,167.68 = 4,933.70/x
  3. Step 3: Cross multiply
    10,782.10x = 16,167.68 × 4,933.70
  4. Step 4: Simplify right side
    10,782.10x = 79,766,401.98
  5. Step 5: Solve for x
    x = 79,766,401.98/10,782.10
  6. Step 6: Final answer
    x = 7,398.04

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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.