Home / 10,791.70-16,188.39-3,396.13

Finding the Fourth Proportional to 10,791.70, 16,188.39 and 3,396.13

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Solution

The fourth proportional to 10,791.70, 16,188.39 and 3,396.13 is: 5,094.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.70 : 16,188.39 = 3,396.13 : x
  2. Step 2: Convert to fraction form
    10,791.70/16,188.39 = 3,396.13/x
  3. Step 3: Cross multiply
    10,791.70x = 16,188.39 × 3,396.13
  4. Step 4: Simplify right side
    10,791.70x = 54,977,836.46
  5. Step 5: Solve for x
    x = 54,977,836.46/10,791.70
  6. Step 6: Final answer
    x = 5,094.46

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1.5x scale

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.