Home / 11,816.16-17,718.80-4,022.88

Finding the Fourth Proportional to 11,816.16, 17,718.80 and 4,022.88

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Solution

The fourth proportional to 11,816.16, 17,718.80 and 4,022.88 is: 6,032.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.16 : 17,718.80 = 4,022.88 : x
  2. Step 2: Convert to fraction form
    11,816.16/17,718.80 = 4,022.88/x
  3. Step 3: Cross multiply
    11,816.16x = 17,718.80 × 4,022.88
  4. Step 4: Simplify right side
    11,816.16x = 71,280,606.14
  5. Step 5: Solve for x
    x = 71,280,606.14/11,816.16
  6. Step 6: Final answer
    x = 6,032.47

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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.