Home / 11,972.97-16,522.06-6,666.84

Finding the Fourth Proportional to 11,972.97, 16,522.06 and 6,666.84

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Solution

The fourth proportional to 11,972.97, 16,522.06 and 6,666.84 is: 9,199.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.97 : 16,522.06 = 6,666.84 : x
  2. Step 2: Convert to fraction form
    11,972.97/16,522.06 = 6,666.84/x
  3. Step 3: Cross multiply
    11,972.97x = 16,522.06 × 6,666.84
  4. Step 4: Simplify right side
    11,972.97x = 110,149,930.49
  5. Step 5: Solve for x
    x = 110,149,930.49/11,972.97
  6. Step 6: Final answer
    x = 9,199.88

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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.