Home / 11,169.90-16,749.12-5,907.75

Finding the Fourth Proportional to 11,169.90, 16,749.12 and 5,907.75

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Solution

The fourth proportional to 11,169.90, 16,749.12 and 5,907.75 is: 8,858.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.90 : 16,749.12 = 5,907.75 : x
  2. Step 2: Convert to fraction form
    11,169.90/16,749.12 = 5,907.75/x
  3. Step 3: Cross multiply
    11,169.90x = 16,749.12 × 5,907.75
  4. Step 4: Simplify right side
    11,169.90x = 98,949,613.68
  5. Step 5: Solve for x
    x = 98,949,613.68/11,169.90
  6. Step 6: Final answer
    x = 8,858.59

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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.