Home / 11,809.24-17,690.82-9,199.96

Finding the Fourth Proportional to 11,809.24, 17,690.82 and 9,199.96

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Solution

The fourth proportional to 11,809.24, 17,690.82 and 9,199.96 is: 13,781.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.24 : 17,690.82 = 9,199.96 : x
  2. Step 2: Convert to fraction form
    11,809.24/17,690.82 = 9,199.96/x
  3. Step 3: Cross multiply
    11,809.24x = 17,690.82 × 9,199.96
  4. Step 4: Simplify right side
    11,809.24x = 162,754,836.37
  5. Step 5: Solve for x
    x = 162,754,836.37/11,809.24
  6. Step 6: Final answer
    x = 13,781.99

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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.