Home / 12,209.32-18,314.62-3,444.92

Finding the Fourth Proportional to 12,209.32, 18,314.62 and 3,444.92

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Solution

The fourth proportional to 12,209.32, 18,314.62 and 3,444.92 is: 5,167.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209.32 : 18,314.62 = 3,444.92 : x
  2. Step 2: Convert to fraction form
    12,209.32/18,314.62 = 3,444.92/x
  3. Step 3: Cross multiply
    12,209.32x = 18,314.62 × 3,444.92
  4. Step 4: Simplify right side
    12,209.32x = 63,092,400.73
  5. Step 5: Solve for x
    x = 63,092,400.73/12,209.32
  6. Step 6: Final answer
    x = 5,167.56

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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.