Home / 11,486.21-17,230.73-3,166.70

Finding the Fourth Proportional to 11,486.21, 17,230.73 and 3,166.70

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Solution

The fourth proportional to 11,486.21, 17,230.73 and 3,166.70 is: 4,750.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,486.21 : 17,230.73 = 3,166.70 : x
  2. Step 2: Convert to fraction form
    11,486.21/17,230.73 = 3,166.70/x
  3. Step 3: Cross multiply
    11,486.21x = 17,230.73 × 3,166.70
  4. Step 4: Simplify right side
    11,486.21x = 54,564,450.70
  5. Step 5: Solve for x
    x = 54,564,450.70/11,486.21
  6. Step 6: Final answer
    x = 4,750.43

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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.