Home / 11,107.34-16,660.89-3,316.22

Finding the Fourth Proportional to 11,107.34, 16,660.89 and 3,316.22

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Solution

The fourth proportional to 11,107.34, 16,660.89 and 3,316.22 is: 4,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.34 : 16,660.89 = 3,316.22 : x
  2. Step 2: Convert to fraction form
    11,107.34/16,660.89 = 3,316.22/x
  3. Step 3: Cross multiply
    11,107.34x = 16,660.89 × 3,316.22
  4. Step 4: Simplify right side
    11,107.34x = 55,251,176.64
  5. Step 5: Solve for x
    x = 55,251,176.64/11,107.34
  6. Step 6: Final answer
    x = 4,974.29

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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.