Home / 11,141.16-16,707.42-4,120.08

Finding the Fourth Proportional to 11,141.16, 16,707.42 and 4,120.08

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Solution

The fourth proportional to 11,141.16, 16,707.42 and 4,120.08 is: 6,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.16 : 16,707.42 = 4,120.08 : x
  2. Step 2: Convert to fraction form
    11,141.16/16,707.42 = 4,120.08/x
  3. Step 3: Cross multiply
    11,141.16x = 16,707.42 × 4,120.08
  4. Step 4: Simplify right side
    11,141.16x = 68,835,906.99
  5. Step 5: Solve for x
    x = 68,835,906.99/11,141.16
  6. Step 6: Final answer
    x = 6,178.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.