Home / 11,945.94-17,918.97-4,548.75

Finding the Fourth Proportional to 11,945.94, 17,918.97 and 4,548.75

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Solution

The fourth proportional to 11,945.94, 17,918.97 and 4,548.75 is: 6,823.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.94 : 17,918.97 = 4,548.75 : x
  2. Step 2: Convert to fraction form
    11,945.94/17,918.97 = 4,548.75/x
  3. Step 3: Cross multiply
    11,945.94x = 17,918.97 × 4,548.75
  4. Step 4: Simplify right side
    11,945.94x = 81,508,914.79
  5. Step 5: Solve for x
    x = 81,508,914.79/11,945.94
  6. Step 6: Final answer
    x = 6,823.15

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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.