Home / 11,321.37-16,980.74-3,001.96

Finding the Fourth Proportional to 11,321.37, 16,980.74 and 3,001.96

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Solution

The fourth proportional to 11,321.37, 16,980.74 and 3,001.96 is: 4,502.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.37 : 16,980.74 = 3,001.96 : x
  2. Step 2: Convert to fraction form
    11,321.37/16,980.74 = 3,001.96/x
  3. Step 3: Cross multiply
    11,321.37x = 16,980.74 × 3,001.96
  4. Step 4: Simplify right side
    11,321.37x = 50,975,519.72
  5. Step 5: Solve for x
    x = 50,975,519.72/11,321.37
  6. Step 6: Final answer
    x = 4,502.59

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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.