Home / 11,779.22-17,653.55-5,451.71

Finding the Fourth Proportional to 11,779.22, 17,653.55 and 5,451.71

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Solution

The fourth proportional to 11,779.22, 17,653.55 and 5,451.71 is: 8,170.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.22 : 17,653.55 = 5,451.71 : x
  2. Step 2: Convert to fraction form
    11,779.22/17,653.55 = 5,451.71/x
  3. Step 3: Cross multiply
    11,779.22x = 17,653.55 × 5,451.71
  4. Step 4: Simplify right side
    11,779.22x = 96,241,919.54
  5. Step 5: Solve for x
    x = 96,241,919.54/11,779.22
  6. Step 6: Final answer
    x = 8,170.48

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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.