Home / 11,346.12-17,018.20-3,949.32

Finding the Fourth Proportional to 11,346.12, 17,018.20 and 3,949.32

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Solution

The fourth proportional to 11,346.12, 17,018.20 and 3,949.32 is: 5,923.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.12 : 17,018.20 = 3,949.32 : x
  2. Step 2: Convert to fraction form
    11,346.12/17,018.20 = 3,949.32/x
  3. Step 3: Cross multiply
    11,346.12x = 17,018.20 × 3,949.32
  4. Step 4: Simplify right side
    11,346.12x = 67,210,317.62
  5. Step 5: Solve for x
    x = 67,210,317.62/11,346.12
  6. Step 6: Final answer
    x = 5,923.64

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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.