Home / 10,814.10-16,233.30-8,359.80

Finding the Fourth Proportional to 10,814.10, 16,233.30 and 8,359.80

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Solution

The fourth proportional to 10,814.10, 16,233.30 and 8,359.80 is: 12,549.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,814.10 : 16,233.30 = 8,359.80 : x
  2. Step 2: Convert to fraction form
    10,814.10/16,233.30 = 8,359.80/x
  3. Step 3: Cross multiply
    10,814.10x = 16,233.30 × 8,359.80
  4. Step 4: Simplify right side
    10,814.10x = 135,707,141.34
  5. Step 5: Solve for x
    x = 135,707,141.34/10,814.10
  6. Step 6: Final answer
    x = 12,549.09

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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.