Home / 11,769.16-16,234.30-6,985.95

Finding the Fourth Proportional to 11,769.16, 16,234.30 and 6,985.95

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Solution

The fourth proportional to 11,769.16, 16,234.30 and 6,985.95 is: 9,636.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.16 : 16,234.30 = 6,985.95 : x
  2. Step 2: Convert to fraction form
    11,769.16/16,234.30 = 6,985.95/x
  3. Step 3: Cross multiply
    11,769.16x = 16,234.30 × 6,985.95
  4. Step 4: Simplify right side
    11,769.16x = 113,412,008.09
  5. Step 5: Solve for x
    x = 113,412,008.09/11,769.16
  6. Step 6: Final answer
    x = 9,636.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.