Home / 11,977.36-17,965.43-4,581.25

Finding the Fourth Proportional to 11,977.36, 17,965.43 and 4,581.25

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Solution

The fourth proportional to 11,977.36, 17,965.43 and 4,581.25 is: 6,871.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.36 : 17,965.43 = 4,581.25 : x
  2. Step 2: Convert to fraction form
    11,977.36/17,965.43 = 4,581.25/x
  3. Step 3: Cross multiply
    11,977.36x = 17,965.43 × 4,581.25
  4. Step 4: Simplify right side
    11,977.36x = 82,304,126.19
  5. Step 5: Solve for x
    x = 82,304,126.19/11,977.36
  6. Step 6: Final answer
    x = 6,871.64

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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.