Home / 11,986.58-17,977.55-4,589.33

Finding the Fourth Proportional to 11,986.58, 17,977.55 and 4,589.33

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Solution

The fourth proportional to 11,986.58, 17,977.55 and 4,589.33 is: 6,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.58 : 17,977.55 = 4,589.33 : x
  2. Step 2: Convert to fraction form
    11,986.58/17,977.55 = 4,589.33/x
  3. Step 3: Cross multiply
    11,986.58x = 17,977.55 × 4,589.33
  4. Step 4: Simplify right side
    11,986.58x = 82,504,796.71
  5. Step 5: Solve for x
    x = 82,504,796.71/11,986.58
  6. Step 6: Final answer
    x = 6,883.10

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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.