Home / 8,074.16-12,111.39-2,230.92

Finding the Fourth Proportional to 8,074.16, 12,111.39 and 2,230.92

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Solution

The fourth proportional to 8,074.16, 12,111.39 and 2,230.92 is: 3,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.16 : 12,111.39 = 2,230.92 : x
  2. Step 2: Convert to fraction form
    8,074.16/12,111.39 = 2,230.92/x
  3. Step 3: Cross multiply
    8,074.16x = 12,111.39 × 2,230.92
  4. Step 4: Simplify right side
    8,074.16x = 27,019,542.18
  5. Step 5: Solve for x
    x = 27,019,542.18/8,074.16
  6. Step 6: Final answer
    x = 3,346.42

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Half scale
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Double scale
Find fourth proportional to 8,075.16, 12,112.89 and 2,231.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.