Home / 11,829.85-17,757.08-8,713.37

Finding the Fourth Proportional to 11,829.85, 17,757.08 and 8,713.37

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Solution

The fourth proportional to 11,829.85, 17,757.08 and 8,713.37 is: 13,079.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.85 : 17,757.08 = 8,713.37 : x
  2. Step 2: Convert to fraction form
    11,829.85/17,757.08 = 8,713.37/x
  3. Step 3: Cross multiply
    11,829.85x = 17,757.08 × 8,713.37
  4. Step 4: Simplify right side
    11,829.85x = 154,724,008.16
  5. Step 5: Solve for x
    x = 154,724,008.16/11,829.85
  6. Step 6: Final answer
    x = 13,079.12

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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.