Home / 11,638.72-17,455.04-5,791.04

Finding the Fourth Proportional to 11,638.72, 17,455.04 and 5,791.04

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Solution

The fourth proportional to 11,638.72, 17,455.04 and 5,791.04 is: 8,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.72 : 17,455.04 = 5,791.04 : x
  2. Step 2: Convert to fraction form
    11,638.72/17,455.04 = 5,791.04/x
  3. Step 3: Cross multiply
    11,638.72x = 17,455.04 × 5,791.04
  4. Step 4: Simplify right side
    11,638.72x = 101,082,834.84
  5. Step 5: Solve for x
    x = 101,082,834.84/11,638.72
  6. Step 6: Final answer
    x = 8,685.05

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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.