Home / 11,450.96-17,178.88-3,553.30

Finding the Fourth Proportional to 11,450.96, 17,178.88 and 3,553.30

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Solution

The fourth proportional to 11,450.96, 17,178.88 and 3,553.30 is: 5,330.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.96 : 17,178.88 = 3,553.30 : x
  2. Step 2: Convert to fraction form
    11,450.96/17,178.88 = 3,553.30/x
  3. Step 3: Cross multiply
    11,450.96x = 17,178.88 × 3,553.30
  4. Step 4: Simplify right side
    11,450.96x = 61,041,628.41
  5. Step 5: Solve for x
    x = 61,041,628.41/11,450.96
  6. Step 6: Final answer
    x = 5,330.70

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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.