Home / 11,321.24-16,980-3,001.77

Finding the Fourth Proportional to 11,321.24, 16,980 and 3,001.77

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Solution

The fourth proportional to 11,321.24, 16,980 and 3,001.77 is: 4,502.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.24 : 16,980 = 3,001.77 : x
  2. Step 2: Convert to fraction form
    11,321.24/16,980 = 3,001.77/x
  3. Step 3: Cross multiply
    11,321.24x = 16,980 × 3,001.77
  4. Step 4: Simplify right side
    11,321.24x = 50,970,054.60
  5. Step 5: Solve for x
    x = 50,970,054.60/11,321.24
  6. Step 6: Final answer
    x = 4,502.16

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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.