Home / 11,157.75-16,742.09-4,589.46

Finding the Fourth Proportional to 11,157.75, 16,742.09 and 4,589.46

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Solution

The fourth proportional to 11,157.75, 16,742.09 and 4,589.46 is: 6,886.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.75 : 16,742.09 = 4,589.46 : x
  2. Step 2: Convert to fraction form
    11,157.75/16,742.09 = 4,589.46/x
  3. Step 3: Cross multiply
    11,157.75x = 16,742.09 × 4,589.46
  4. Step 4: Simplify right side
    11,157.75x = 76,837,163.85
  5. Step 5: Solve for x
    x = 76,837,163.85/11,157.75
  6. Step 6: Final answer
    x = 6,886.44

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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.