Home / 11,447.58-17,174.16-3,549.90

Finding the Fourth Proportional to 11,447.58, 17,174.16 and 3,549.90

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Solution

The fourth proportional to 11,447.58, 17,174.16 and 3,549.90 is: 5,325.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.58 : 17,174.16 = 3,549.90 : x
  2. Step 2: Convert to fraction form
    11,447.58/17,174.16 = 3,549.90/x
  3. Step 3: Cross multiply
    11,447.58x = 17,174.16 × 3,549.90
  4. Step 4: Simplify right side
    11,447.58x = 60,966,550.58
  5. Step 5: Solve for x
    x = 60,966,550.58/11,447.58
  6. Step 6: Final answer
    x = 5,325.72

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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.