Home / 11,141.13-16,712.31-3,243.63

Finding the Fourth Proportional to 11,141.13, 16,712.31 and 3,243.63

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Solution

The fourth proportional to 11,141.13, 16,712.31 and 3,243.63 is: 4,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.13 : 16,712.31 = 3,243.63 : x
  2. Step 2: Convert to fraction form
    11,141.13/16,712.31 = 3,243.63/x
  3. Step 3: Cross multiply
    11,141.13x = 16,712.31 × 3,243.63
  4. Step 4: Simplify right side
    11,141.13x = 54,208,550.09
  5. Step 5: Solve for x
    x = 54,208,550.09/11,141.13
  6. Step 6: Final answer
    x = 4,865.62

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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.