Home / 9,396.87-12,967.66-5,205.12

Finding the Fourth Proportional to 9,396.87, 12,967.66 and 5,205.12

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Solution

The fourth proportional to 9,396.87, 12,967.66 and 5,205.12 is: 7,183.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,396.87 : 12,967.66 = 5,205.12 : x
  2. Step 2: Convert to fraction form
    9,396.87/12,967.66 = 5,205.12/x
  3. Step 3: Cross multiply
    9,396.87x = 12,967.66 × 5,205.12
  4. Step 4: Simplify right side
    9,396.87x = 67,498,226.42
  5. Step 5: Solve for x
    x = 67,498,226.42/9,396.87
  6. Step 6: Final answer
    x = 7,183.05

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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.