Home / 11,209.78-16,825.06-5,667.04

Finding the Fourth Proportional to 11,209.78, 16,825.06 and 5,667.04

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Solution

The fourth proportional to 11,209.78, 16,825.06 and 5,667.04 is: 8,505.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.78 : 16,825.06 = 5,667.04 : x
  2. Step 2: Convert to fraction form
    11,209.78/16,825.06 = 5,667.04/x
  3. Step 3: Cross multiply
    11,209.78x = 16,825.06 × 5,667.04
  4. Step 4: Simplify right side
    11,209.78x = 95,348,288.02
  5. Step 5: Solve for x
    x = 95,348,288.02/11,209.78
  6. Step 6: Final answer
    x = 8,505.81

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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.