Home / 11,338.60-17,007.90-7,183.30

Finding the Fourth Proportional to 11,338.60, 17,007.90 and 7,183.30

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Solution

The fourth proportional to 11,338.60, 17,007.90 and 7,183.30 is: 10,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.60 : 17,007.90 = 7,183.30 : x
  2. Step 2: Convert to fraction form
    11,338.60/17,007.90 = 7,183.30/x
  3. Step 3: Cross multiply
    11,338.60x = 17,007.90 × 7,183.30
  4. Step 4: Simplify right side
    11,338.60x = 122,172,848.07
  5. Step 5: Solve for x
    x = 122,172,848.07/11,338.60
  6. Step 6: Final answer
    x = 10,774.95

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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.