Home / 11,972.82-16,522.45-6,667.70

Finding the Fourth Proportional to 11,972.82, 16,522.45 and 6,667.70

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Solution

The fourth proportional to 11,972.82, 16,522.45 and 6,667.70 is: 9,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.82 : 16,522.45 = 6,667.70 : x
  2. Step 2: Convert to fraction form
    11,972.82/16,522.45 = 6,667.70/x
  3. Step 3: Cross multiply
    11,972.82x = 16,522.45 × 6,667.70
  4. Step 4: Simplify right side
    11,972.82x = 110,166,739.87
  5. Step 5: Solve for x
    x = 110,166,739.87/11,972.82
  6. Step 6: Final answer
    x = 9,201.40

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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.