Home / 9,191.16-13,788.90-2,617.44

Finding the Fourth Proportional to 9,191.16, 13,788.90 and 2,617.44

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Solution

The fourth proportional to 9,191.16, 13,788.90 and 2,617.44 is: 3,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.16 : 13,788.90 = 2,617.44 : x
  2. Step 2: Convert to fraction form
    9,191.16/13,788.90 = 2,617.44/x
  3. Step 3: Cross multiply
    9,191.16x = 13,788.90 × 2,617.44
  4. Step 4: Simplify right side
    9,191.16x = 36,091,618.42
  5. Step 5: Solve for x
    x = 36,091,618.42/9,191.16
  6. Step 6: Final answer
    x = 3,926.78

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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.