Home / 11,161.38-16,723.59-5,602.98

Finding the Fourth Proportional to 11,161.38, 16,723.59 and 5,602.98

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Solution

The fourth proportional to 11,161.38, 16,723.59 and 5,602.98 is: 8,395.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.38 : 16,723.59 = 5,602.98 : x
  2. Step 2: Convert to fraction form
    11,161.38/16,723.59 = 5,602.98/x
  3. Step 3: Cross multiply
    11,161.38x = 16,723.59 × 5,602.98
  4. Step 4: Simplify right side
    11,161.38x = 93,701,940.30
  5. Step 5: Solve for x
    x = 93,701,940.30/11,161.38
  6. Step 6: Final answer
    x = 8,395.19

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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.