Home / 11,967.23-17,911.72-8,803.83

Finding the Fourth Proportional to 11,967.23, 17,911.72 and 8,803.83

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Solution

The fourth proportional to 11,967.23, 17,911.72 and 8,803.83 is: 13,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,967.23 : 17,911.72 = 8,803.83 : x
  2. Step 2: Convert to fraction form
    11,967.23/17,911.72 = 8,803.83/x
  3. Step 3: Cross multiply
    11,967.23x = 17,911.72 × 8,803.83
  4. Step 4: Simplify right side
    11,967.23x = 157,691,715.88
  5. Step 5: Solve for x
    x = 157,691,715.88/11,967.23
  6. Step 6: Final answer
    x = 13,176.96

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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.