Home / 11,631.80-17,440.40-6,086.96

Finding the Fourth Proportional to 11,631.80, 17,440.40 and 6,086.96

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Solution

The fourth proportional to 11,631.80, 17,440.40 and 6,086.96 is: 9,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.80 : 17,440.40 = 6,086.96 : x
  2. Step 2: Convert to fraction form
    11,631.80/17,440.40 = 6,086.96/x
  3. Step 3: Cross multiply
    11,631.80x = 17,440.40 × 6,086.96
  4. Step 4: Simplify right side
    11,631.80x = 106,159,017.18
  5. Step 5: Solve for x
    x = 106,159,017.18/11,631.80
  6. Step 6: Final answer
    x = 9,126.62

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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.