Home / 11,450.75-17,178.58-3,553.09

Finding the Fourth Proportional to 11,450.75, 17,178.58 and 3,553.09

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Solution

The fourth proportional to 11,450.75, 17,178.58 and 3,553.09 is: 5,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.75 : 17,178.58 = 3,553.09 : x
  2. Step 2: Convert to fraction form
    11,450.75/17,178.58 = 3,553.09/x
  3. Step 3: Cross multiply
    11,450.75x = 17,178.58 × 3,553.09
  4. Step 4: Simplify right side
    11,450.75x = 61,037,040.81
  5. Step 5: Solve for x
    x = 61,037,040.81/11,450.75
  6. Step 6: Final answer
    x = 5,330.40

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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.