Home / 8,228.25-11,355.12-5,874.39

Finding the Fourth Proportional to 8,228.25, 11,355.12 and 5,874.39

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Solution

The fourth proportional to 8,228.25, 11,355.12 and 5,874.39 is: 8,106.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.25 : 11,355.12 = 5,874.39 : x
  2. Step 2: Convert to fraction form
    8,228.25/11,355.12 = 5,874.39/x
  3. Step 3: Cross multiply
    8,228.25x = 11,355.12 × 5,874.39
  4. Step 4: Simplify right side
    8,228.25x = 66,704,403.38
  5. Step 5: Solve for x
    x = 66,704,403.38/8,228.25
  6. Step 6: Final answer
    x = 8,106.75

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Half scale
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Double scale
Find fourth proportional to 8,229.25, 11,356.50 and 5,875.39
Similar ratio
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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.