Home / 11,127.80-16,693.94-4,107.86

Finding the Fourth Proportional to 11,127.80, 16,693.94 and 4,107.86

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Solution

The fourth proportional to 11,127.80, 16,693.94 and 4,107.86 is: 6,162.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.80 : 16,693.94 = 4,107.86 : x
  2. Step 2: Convert to fraction form
    11,127.80/16,693.94 = 4,107.86/x
  3. Step 3: Cross multiply
    11,127.80x = 16,693.94 × 4,107.86
  4. Step 4: Simplify right side
    11,127.80x = 68,576,368.37
  5. Step 5: Solve for x
    x = 68,576,368.37/11,127.80
  6. Step 6: Final answer
    x = 6,162.62

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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.