Home / 11,906.22-17,860.30-3,141.16

Finding the Fourth Proportional to 11,906.22, 17,860.30 and 3,141.16

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Solution

The fourth proportional to 11,906.22, 17,860.30 and 3,141.16 is: 4,712.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.22 : 17,860.30 = 3,141.16 : x
  2. Step 2: Convert to fraction form
    11,906.22/17,860.30 = 3,141.16/x
  3. Step 3: Cross multiply
    11,906.22x = 17,860.30 × 3,141.16
  4. Step 4: Simplify right side
    11,906.22x = 56,102,059.95
  5. Step 5: Solve for x
    x = 56,102,059.95/11,906.22
  6. Step 6: Final answer
    x = 4,712.00

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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.