Home / 11,666.84-16,100.17-6,361.54

Finding the Fourth Proportional to 11,666.84, 16,100.17 and 6,361.54

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Solution

The fourth proportional to 11,666.84, 16,100.17 and 6,361.54 is: 8,778.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.84 : 16,100.17 = 6,361.54 : x
  2. Step 2: Convert to fraction form
    11,666.84/16,100.17 = 6,361.54/x
  3. Step 3: Cross multiply
    11,666.84x = 16,100.17 × 6,361.54
  4. Step 4: Simplify right side
    11,666.84x = 102,421,819.31
  5. Step 5: Solve for x
    x = 102,421,819.31/11,666.84
  6. Step 6: Final answer
    x = 8,778.89

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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.