Home / 11,118.92-16,679.54-3,623.06

Finding the Fourth Proportional to 11,118.92, 16,679.54 and 3,623.06

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Solution

The fourth proportional to 11,118.92, 16,679.54 and 3,623.06 is: 5,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.92 : 16,679.54 = 3,623.06 : x
  2. Step 2: Convert to fraction form
    11,118.92/16,679.54 = 3,623.06/x
  3. Step 3: Cross multiply
    11,118.92x = 16,679.54 × 3,623.06
  4. Step 4: Simplify right side
    11,118.92x = 60,430,914.38
  5. Step 5: Solve for x
    x = 60,430,914.38/11,118.92
  6. Step 6: Final answer
    x = 5,434.97

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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.