Home / 12,591.05-18,887.18-4,799.25

Finding the Fourth Proportional to 12,591.05, 18,887.18 and 4,799.25

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Solution

The fourth proportional to 12,591.05, 18,887.18 and 4,799.25 is: 7,199.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591.05 : 18,887.18 = 4,799.25 : x
  2. Step 2: Convert to fraction form
    12,591.05/18,887.18 = 4,799.25/x
  3. Step 3: Cross multiply
    12,591.05x = 18,887.18 × 4,799.25
  4. Step 4: Simplify right side
    12,591.05x = 90,644,274.62
  5. Step 5: Solve for x
    x = 90,644,274.62/12,591.05
  6. Step 6: Final answer
    x = 7,199.11

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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.