Home / 10,715.04-16,072.56-3,789.36

Finding the Fourth Proportional to 10,715.04, 16,072.56 and 3,789.36

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Solution

The fourth proportional to 10,715.04, 16,072.56 and 3,789.36 is: 5,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.04 : 16,072.56 = 3,789.36 : x
  2. Step 2: Convert to fraction form
    10,715.04/16,072.56 = 3,789.36/x
  3. Step 3: Cross multiply
    10,715.04x = 16,072.56 × 3,789.36
  4. Step 4: Simplify right side
    10,715.04x = 60,904,715.96
  5. Step 5: Solve for x
    x = 60,904,715.96/10,715.04
  6. Step 6: Final answer
    x = 5,684.04

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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.