Home / 7,867.55-11,799.51-2,245.11

Finding the Fourth Proportional to 7,867.55, 11,799.51 and 2,245.11

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Solution

The fourth proportional to 7,867.55, 11,799.51 and 2,245.11 is: 3,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.55 : 11,799.51 = 2,245.11 : x
  2. Step 2: Convert to fraction form
    7,867.55/11,799.51 = 2,245.11/x
  3. Step 3: Cross multiply
    7,867.55x = 11,799.51 × 2,245.11
  4. Step 4: Simplify right side
    7,867.55x = 26,491,178.41
  5. Step 5: Solve for x
    x = 26,491,178.41/7,867.55
  6. Step 6: Final answer
    x = 3,367.15

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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.