Home / 11,447.49-17,173.70-3,549.85

Finding the Fourth Proportional to 11,447.49, 17,173.70 and 3,549.85

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Solution

The fourth proportional to 11,447.49, 17,173.70 and 3,549.85 is: 5,325.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.49 : 17,173.70 = 3,549.85 : x
  2. Step 2: Convert to fraction form
    11,447.49/17,173.70 = 3,549.85/x
  3. Step 3: Cross multiply
    11,447.49x = 17,173.70 × 3,549.85
  4. Step 4: Simplify right side
    11,447.49x = 60,963,964.20
  5. Step 5: Solve for x
    x = 60,963,964.20/11,447.49
  6. Step 6: Final answer
    x = 5,325.53

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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.