Home / 11,981.41-16,534.12-6,676.11

Finding the Fourth Proportional to 11,981.41, 16,534.12 and 6,676.11

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Solution

The fourth proportional to 11,981.41, 16,534.12 and 6,676.11 is: 9,212.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981.41 : 16,534.12 = 6,676.11 : x
  2. Step 2: Convert to fraction form
    11,981.41/16,534.12 = 6,676.11/x
  3. Step 3: Cross multiply
    11,981.41x = 16,534.12 × 6,676.11
  4. Step 4: Simplify right side
    11,981.41x = 110,383,603.87
  5. Step 5: Solve for x
    x = 110,383,603.87/11,981.41
  6. Step 6: Final answer
    x = 9,212.91

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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.