Home / 10,715.30-16,067.19-3,316.58

Finding the Fourth Proportional to 10,715.30, 16,067.19 and 3,316.58

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Solution

The fourth proportional to 10,715.30, 16,067.19 and 3,316.58 is: 4,973.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.30 : 16,067.19 = 3,316.58 : x
  2. Step 2: Convert to fraction form
    10,715.30/16,067.19 = 3,316.58/x
  3. Step 3: Cross multiply
    10,715.30x = 16,067.19 × 3,316.58
  4. Step 4: Simplify right side
    10,715.30x = 53,288,121.01
  5. Step 5: Solve for x
    x = 53,288,121.01/10,715.30
  6. Step 6: Final answer
    x = 4,973.09

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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.