Home / 11,207.87-16,779.15-8,735.14

Finding the Fourth Proportional to 11,207.87, 16,779.15 and 8,735.14

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Solution

The fourth proportional to 11,207.87, 16,779.15 and 8,735.14 is: 13,077.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.87 : 16,779.15 = 8,735.14 : x
  2. Step 2: Convert to fraction form
    11,207.87/16,779.15 = 8,735.14/x
  3. Step 3: Cross multiply
    11,207.87x = 16,779.15 × 8,735.14
  4. Step 4: Simplify right side
    11,207.87x = 146,568,245.30
  5. Step 5: Solve for x
    x = 146,568,245.30/11,207.87
  6. Step 6: Final answer
    x = 13,077.26

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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.