Home / 8,029.38-11,069.30-6,922.10

Finding the Fourth Proportional to 8,029.38, 11,069.30 and 6,922.10

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Solution

The fourth proportional to 8,029.38, 11,069.30 and 6,922.10 is: 9,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,029.38 : 11,069.30 = 6,922.10 : x
  2. Step 2: Convert to fraction form
    8,029.38/11,069.30 = 6,922.10/x
  3. Step 3: Cross multiply
    8,029.38x = 11,069.30 × 6,922.10
  4. Step 4: Simplify right side
    8,029.38x = 76,622,801.53
  5. Step 5: Solve for x
    x = 76,622,801.53/8,029.38
  6. Step 6: Final answer
    x = 9,542.80

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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.