Home / 8,169.24-11,284.10-6,758.62

Finding the Fourth Proportional to 8,169.24, 11,284.10 and 6,758.62

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Solution

The fourth proportional to 8,169.24, 11,284.10 and 6,758.62 is: 9,335.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.24 : 11,284.10 = 6,758.62 : x
  2. Step 2: Convert to fraction form
    8,169.24/11,284.10 = 6,758.62/x
  3. Step 3: Cross multiply
    8,169.24x = 11,284.10 × 6,758.62
  4. Step 4: Simplify right side
    8,169.24x = 76,265,008.77
  5. Step 5: Solve for x
    x = 76,265,008.77/8,169.24
  6. Step 6: Final answer
    x = 9,335.63

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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.