Home / 11,759.38-17,635.42-4,739.11

Finding the Fourth Proportional to 11,759.38, 17,635.42 and 4,739.11

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Solution

The fourth proportional to 11,759.38, 17,635.42 and 4,739.11 is: 7,107.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759.38 : 17,635.42 = 4,739.11 : x
  2. Step 2: Convert to fraction form
    11,759.38/17,635.42 = 4,739.11/x
  3. Step 3: Cross multiply
    11,759.38x = 17,635.42 × 4,739.11
  4. Step 4: Simplify right side
    11,759.38x = 83,576,157.11
  5. Step 5: Solve for x
    x = 83,576,157.11/11,759.38
  6. Step 6: Final answer
    x = 7,107.19

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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.