Home / 11,919.44-16,451.16-6,886.92

Finding the Fourth Proportional to 11,919.44, 16,451.16 and 6,886.92

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Solution

The fourth proportional to 11,919.44, 16,451.16 and 6,886.92 is: 9,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.44 : 16,451.16 = 6,886.92 : x
  2. Step 2: Convert to fraction form
    11,919.44/16,451.16 = 6,886.92/x
  3. Step 3: Cross multiply
    11,919.44x = 16,451.16 × 6,886.92
  4. Step 4: Simplify right side
    11,919.44x = 113,297,822.83
  5. Step 5: Solve for x
    x = 113,297,822.83/11,919.44
  6. Step 6: Final answer
    x = 9,505.30

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Half scale
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Double scale
Find fourth proportional to 11,920.44, 16,452.54 and 6,887.92
Similar ratio
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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.