Home / 8,468.35-11,682.60-5,109.29

Finding the Fourth Proportional to 8,468.35, 11,682.60 and 5,109.29

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Solution

The fourth proportional to 8,468.35, 11,682.60 and 5,109.29 is: 7,048.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.35 : 11,682.60 = 5,109.29 : x
  2. Step 2: Convert to fraction form
    8,468.35/11,682.60 = 5,109.29/x
  3. Step 3: Cross multiply
    8,468.35x = 11,682.60 × 5,109.29
  4. Step 4: Simplify right side
    8,468.35x = 59,689,791.35
  5. Step 5: Solve for x
    x = 59,689,791.35/8,468.35
  6. Step 6: Final answer
    x = 7,048.57

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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.