Home / 12,135.16-18,202.38-5,895.64

Finding the Fourth Proportional to 12,135.16, 18,202.38 and 5,895.64

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Solution

The fourth proportional to 12,135.16, 18,202.38 and 5,895.64 is: 8,843.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135.16 : 18,202.38 = 5,895.64 : x
  2. Step 2: Convert to fraction form
    12,135.16/18,202.38 = 5,895.64/x
  3. Step 3: Cross multiply
    12,135.16x = 18,202.38 × 5,895.64
  4. Step 4: Simplify right side
    12,135.16x = 107,314,679.62
  5. Step 5: Solve for x
    x = 107,314,679.62/12,135.16
  6. Step 6: Final answer
    x = 8,843.29

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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.