Home / 11,198.72-16,802.40-3,803.16

Finding the Fourth Proportional to 11,198.72, 16,802.40 and 3,803.16

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Solution

The fourth proportional to 11,198.72, 16,802.40 and 3,803.16 is: 5,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198.72 : 16,802.40 = 3,803.16 : x
  2. Step 2: Convert to fraction form
    11,198.72/16,802.40 = 3,803.16/x
  3. Step 3: Cross multiply
    11,198.72x = 16,802.40 × 3,803.16
  4. Step 4: Simplify right side
    11,198.72x = 63,902,215.58
  5. Step 5: Solve for x
    x = 63,902,215.58/11,198.72
  6. Step 6: Final answer
    x = 5,706.21

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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.