Home / 11,867.12-17,811.44-6,325.12

Finding the Fourth Proportional to 11,867.12, 17,811.44 and 6,325.12

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Solution

The fourth proportional to 11,867.12, 17,811.44 and 6,325.12 is: 9,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.12 : 17,811.44 = 6,325.12 : x
  2. Step 2: Convert to fraction form
    11,867.12/17,811.44 = 6,325.12/x
  3. Step 3: Cross multiply
    11,867.12x = 17,811.44 × 6,325.12
  4. Step 4: Simplify right side
    11,867.12x = 112,659,495.37
  5. Step 5: Solve for x
    x = 112,659,495.37/11,867.12
  6. Step 6: Final answer
    x = 9,493.42

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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.