Home / 11,130.82-16,693.59-3,231.23

Finding the Fourth Proportional to 11,130.82, 16,693.59 and 3,231.23

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Solution

The fourth proportional to 11,130.82, 16,693.59 and 3,231.23 is: 4,846.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.82 : 16,693.59 = 3,231.23 : x
  2. Step 2: Convert to fraction form
    11,130.82/16,693.59 = 3,231.23/x
  3. Step 3: Cross multiply
    11,130.82x = 16,693.59 × 3,231.23
  4. Step 4: Simplify right side
    11,130.82x = 53,940,757.46
  5. Step 5: Solve for x
    x = 53,940,757.46/11,130.82
  6. Step 6: Final answer
    x = 4,846.07

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Double scale
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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.