Home / 12,185.22-18,263.12-5,935.88

Finding the Fourth Proportional to 12,185.22, 18,263.12 and 5,935.88

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Solution

The fourth proportional to 12,185.22, 18,263.12 and 5,935.88 is: 8,896.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,185.22 : 18,263.12 = 5,935.88 : x
  2. Step 2: Convert to fraction form
    12,185.22/18,263.12 = 5,935.88/x
  3. Step 3: Cross multiply
    12,185.22x = 18,263.12 × 5,935.88
  4. Step 4: Simplify right side
    12,185.22x = 108,407,567.75
  5. Step 5: Solve for x
    x = 108,407,567.75/12,185.22
  6. Step 6: Final answer
    x = 8,896.64

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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.