Home / 12,226.62-16,873.32-7,191.12

Finding the Fourth Proportional to 12,226.62, 16,873.32 and 7,191.12

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Solution

The fourth proportional to 12,226.62, 16,873.32 and 7,191.12 is: 9,924.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.62 : 16,873.32 = 7,191.12 : x
  2. Step 2: Convert to fraction form
    12,226.62/16,873.32 = 7,191.12/x
  3. Step 3: Cross multiply
    12,226.62x = 16,873.32 × 7,191.12
  4. Step 4: Simplify right side
    12,226.62x = 121,338,068.92
  5. Step 5: Solve for x
    x = 121,338,068.92/12,226.62
  6. Step 6: Final answer
    x = 9,924.09

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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.