Home / 8,167.11-11,267.87-5,648.31

Finding the Fourth Proportional to 8,167.11, 11,267.87 and 5,648.31

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Solution

The fourth proportional to 8,167.11, 11,267.87 and 5,648.31 is: 7,792.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.11 : 11,267.87 = 5,648.31 : x
  2. Step 2: Convert to fraction form
    8,167.11/11,267.87 = 5,648.31/x
  3. Step 3: Cross multiply
    8,167.11x = 11,267.87 × 5,648.31
  4. Step 4: Simplify right side
    8,167.11x = 63,644,394.56
  5. Step 5: Solve for x
    x = 63,644,394.56/8,167.11
  6. Step 6: Final answer
    x = 7,792.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.