Home / 11,711.72-17,567.61-4,786.22

Finding the Fourth Proportional to 11,711.72, 17,567.61 and 4,786.22

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Solution

The fourth proportional to 11,711.72, 17,567.61 and 4,786.22 is: 7,179.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.72 : 17,567.61 = 4,786.22 : x
  2. Step 2: Convert to fraction form
    11,711.72/17,567.61 = 4,786.22/x
  3. Step 3: Cross multiply
    11,711.72x = 17,567.61 × 4,786.22
  4. Step 4: Simplify right side
    11,711.72x = 84,082,334.57
  5. Step 5: Solve for x
    x = 84,082,334.57/11,711.72
  6. Step 6: Final answer
    x = 7,179.34

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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.