Home / 7,869.05-11,807.68-3,192.52

Finding the Fourth Proportional to 7,869.05, 11,807.68 and 3,192.52

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Solution

The fourth proportional to 7,869.05, 11,807.68 and 3,192.52 is: 4,790.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.05 : 11,807.68 = 3,192.52 : x
  2. Step 2: Convert to fraction form
    7,869.05/11,807.68 = 3,192.52/x
  3. Step 3: Cross multiply
    7,869.05x = 11,807.68 × 3,192.52
  4. Step 4: Simplify right side
    7,869.05x = 37,696,195.52
  5. Step 5: Solve for x
    x = 37,696,195.52/7,869.05
  6. Step 6: Final answer
    x = 4,790.44

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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.