Home / 11,399.90-17,098.11-3,607.70

Finding the Fourth Proportional to 11,399.90, 17,098.11 and 3,607.70

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Solution

The fourth proportional to 11,399.90, 17,098.11 and 3,607.70 is: 5,410.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,399.90 : 17,098.11 = 3,607.70 : x
  2. Step 2: Convert to fraction form
    11,399.90/17,098.11 = 3,607.70/x
  3. Step 3: Cross multiply
    11,399.90x = 17,098.11 × 3,607.70
  4. Step 4: Simplify right side
    11,399.90x = 61,684,765.96
  5. Step 5: Solve for x
    x = 61,684,765.96/11,399.90
  6. Step 6: Final answer
    x = 5,410.99

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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.