Home / 9,191.96-13,788.46-2,617.63

Finding the Fourth Proportional to 9,191.96, 13,788.46 and 2,617.63

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Solution

The fourth proportional to 9,191.96, 13,788.46 and 2,617.63 is: 3,926.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.96 : 13,788.46 = 2,617.63 : x
  2. Step 2: Convert to fraction form
    9,191.96/13,788.46 = 2,617.63/x
  3. Step 3: Cross multiply
    9,191.96x = 13,788.46 × 2,617.63
  4. Step 4: Simplify right side
    9,191.96x = 36,093,086.55
  5. Step 5: Solve for x
    x = 36,093,086.55/9,191.96
  6. Step 6: Final answer
    x = 3,926.59

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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.