Home / 12,561.66-18,845.55-3,796.08

Finding the Fourth Proportional to 12,561.66, 18,845.55 and 3,796.08

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Solution

The fourth proportional to 12,561.66, 18,845.55 and 3,796.08 is: 5,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561.66 : 18,845.55 = 3,796.08 : x
  2. Step 2: Convert to fraction form
    12,561.66/18,845.55 = 3,796.08/x
  3. Step 3: Cross multiply
    12,561.66x = 18,845.55 × 3,796.08
  4. Step 4: Simplify right side
    12,561.66x = 71,539,215.44
  5. Step 5: Solve for x
    x = 71,539,215.44/12,561.66
  6. Step 6: Final answer
    x = 5,695.04

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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.