Home / 11,633.12-16,054.56-6,665.12

Finding the Fourth Proportional to 11,633.12, 16,054.56 and 6,665.12

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Solution

The fourth proportional to 11,633.12, 16,054.56 and 6,665.12 is: 9,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,633.12 : 16,054.56 = 6,665.12 : x
  2. Step 2: Convert to fraction form
    11,633.12/16,054.56 = 6,665.12/x
  3. Step 3: Cross multiply
    11,633.12x = 16,054.56 × 6,665.12
  4. Step 4: Simplify right side
    11,633.12x = 107,005,568.95
  5. Step 5: Solve for x
    x = 107,005,568.95/11,633.12
  6. Step 6: Final answer
    x = 9,198.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.