Home / 11,144.12-16,713.42-4,905.69

Finding the Fourth Proportional to 11,144.12, 16,713.42 and 4,905.69

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Solution

The fourth proportional to 11,144.12, 16,713.42 and 4,905.69 is: 7,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.12 : 16,713.42 = 4,905.69 : x
  2. Step 2: Convert to fraction form
    11,144.12/16,713.42 = 4,905.69/x
  3. Step 3: Cross multiply
    11,144.12x = 16,713.42 × 4,905.69
  4. Step 4: Simplify right side
    11,144.12x = 81,990,857.36
  5. Step 5: Solve for x
    x = 81,990,857.36/11,144.12
  6. Step 6: Final answer
    x = 7,357.32

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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.