Home / 11,755.23-17,677.59-9,388.61

Finding the Fourth Proportional to 11,755.23, 17,677.59 and 9,388.61

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Solution

The fourth proportional to 11,755.23, 17,677.59 and 9,388.61 is: 14,118.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.23 : 17,677.59 = 9,388.61 : x
  2. Step 2: Convert to fraction form
    11,755.23/17,677.59 = 9,388.61/x
  3. Step 3: Cross multiply
    11,755.23x = 17,677.59 × 9,388.61
  4. Step 4: Simplify right side
    11,755.23x = 165,967,993.76
  5. Step 5: Solve for x
    x = 165,967,993.76/11,755.23
  6. Step 6: Final answer
    x = 14,118.66

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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.