Home / 12,266.45-18,387.37-5,697.25

Finding the Fourth Proportional to 12,266.45, 18,387.37 and 5,697.25

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Solution

The fourth proportional to 12,266.45, 18,387.37 and 5,697.25 is: 8,540.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266.45 : 18,387.37 = 5,697.25 : x
  2. Step 2: Convert to fraction form
    12,266.45/18,387.37 = 5,697.25/x
  3. Step 3: Cross multiply
    12,266.45x = 18,387.37 × 5,697.25
  4. Step 4: Simplify right side
    12,266.45x = 104,757,450.04
  5. Step 5: Solve for x
    x = 104,757,450.04/12,266.45
  6. Step 6: Final answer
    x = 8,540.16

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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.