Home / 13,196.12-19,794.35-4,311.38

Finding the Fourth Proportional to 13,196.12, 19,794.35 and 4,311.38

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Solution

The fourth proportional to 13,196.12, 19,794.35 and 4,311.38 is: 6,467.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196.12 : 19,794.35 = 4,311.38 : x
  2. Step 2: Convert to fraction form
    13,196.12/19,794.35 = 4,311.38/x
  3. Step 3: Cross multiply
    13,196.12x = 19,794.35 × 4,311.38
  4. Step 4: Simplify right side
    13,196.12x = 85,340,844.17
  5. Step 5: Solve for x
    x = 85,340,844.17/13,196.12
  6. Step 6: Final answer
    x = 6,467.12

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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.