Home / 11,846.25-17,769.45-4,920.75

Finding the Fourth Proportional to 11,846.25, 17,769.45 and 4,920.75

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Solution

The fourth proportional to 11,846.25, 17,769.45 and 4,920.75 is: 7,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,846.25 : 17,769.45 = 4,920.75 : x
  2. Step 2: Convert to fraction form
    11,846.25/17,769.45 = 4,920.75/x
  3. Step 3: Cross multiply
    11,846.25x = 17,769.45 × 4,920.75
  4. Step 4: Simplify right side
    11,846.25x = 87,439,021.09
  5. Step 5: Solve for x
    x = 87,439,021.09/11,846.25
  6. Step 6: Final answer
    x = 7,381.16

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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.