Home / 11,623.31-17,433.70-6,879.95

Finding the Fourth Proportional to 11,623.31, 17,433.70 and 6,879.95

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Solution

The fourth proportional to 11,623.31, 17,433.70 and 6,879.95 is: 10,319.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.31 : 17,433.70 = 6,879.95 : x
  2. Step 2: Convert to fraction form
    11,623.31/17,433.70 = 6,879.95/x
  3. Step 3: Cross multiply
    11,623.31x = 17,433.70 × 6,879.95
  4. Step 4: Simplify right side
    11,623.31x = 119,942,879.95
  5. Step 5: Solve for x
    x = 119,942,879.95/11,623.31
  6. Step 6: Final answer
    x = 10,319.17

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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.