Home / 11,465.85-17,157.77-8,983.61

Finding the Fourth Proportional to 11,465.85, 17,157.77 and 8,983.61

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Solution

The fourth proportional to 11,465.85, 17,157.77 and 8,983.61 is: 13,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.85 : 17,157.77 = 8,983.61 : x
  2. Step 2: Convert to fraction form
    11,465.85/17,157.77 = 8,983.61/x
  3. Step 3: Cross multiply
    11,465.85x = 17,157.77 × 8,983.61
  4. Step 4: Simplify right side
    11,465.85x = 154,138,583.44
  5. Step 5: Solve for x
    x = 154,138,583.44/11,465.85
  6. Step 6: Final answer
    x = 13,443.28

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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.