Home / 11,908.12-17,856.86-6,360.44

Finding the Fourth Proportional to 11,908.12, 17,856.86 and 6,360.44

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Solution

The fourth proportional to 11,908.12, 17,856.86 and 6,360.44 is: 9,537.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.12 : 17,856.86 = 6,360.44 : x
  2. Step 2: Convert to fraction form
    11,908.12/17,856.86 = 6,360.44/x
  3. Step 3: Cross multiply
    11,908.12x = 17,856.86 × 6,360.44
  4. Step 4: Simplify right side
    11,908.12x = 113,577,486.62
  5. Step 5: Solve for x
    x = 113,577,486.62/11,908.12
  6. Step 6: Final answer
    x = 9,537.82

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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.