Home / 11,919.08-16,449.12-6,883.52

Finding the Fourth Proportional to 11,919.08, 16,449.12 and 6,883.52

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Solution

The fourth proportional to 11,919.08, 16,449.12 and 6,883.52 is: 9,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.08 : 16,449.12 = 6,883.52 : x
  2. Step 2: Convert to fraction form
    11,919.08/16,449.12 = 6,883.52/x
  3. Step 3: Cross multiply
    11,919.08x = 16,449.12 × 6,883.52
  4. Step 4: Simplify right side
    11,919.08x = 113,227,764.26
  5. Step 5: Solve for x
    x = 113,227,764.26/11,919.08
  6. Step 6: Final answer
    x = 9,499.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.