Home / 9,181.36-13,775.16-3,338.44

Finding the Fourth Proportional to 9,181.36, 13,775.16 and 3,338.44

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Solution

The fourth proportional to 9,181.36, 13,775.16 and 3,338.44 is: 5,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.36 : 13,775.16 = 3,338.44 : x
  2. Step 2: Convert to fraction form
    9,181.36/13,775.16 = 3,338.44/x
  3. Step 3: Cross multiply
    9,181.36x = 13,775.16 × 3,338.44
  4. Step 4: Simplify right side
    9,181.36x = 45,987,545.15
  5. Step 5: Solve for x
    x = 45,987,545.15/9,181.36
  6. Step 6: Final answer
    x = 5,008.79

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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.