Home / 11,666.82-16,100.32-6,361.68

Finding the Fourth Proportional to 11,666.82, 16,100.32 and 6,361.68

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Solution

The fourth proportional to 11,666.82, 16,100.32 and 6,361.68 is: 8,779.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.82 : 16,100.32 = 6,361.68 : x
  2. Step 2: Convert to fraction form
    11,666.82/16,100.32 = 6,361.68/x
  3. Step 3: Cross multiply
    11,666.82x = 16,100.32 × 6,361.68
  4. Step 4: Simplify right side
    11,666.82x = 102,425,051.93
  5. Step 5: Solve for x
    x = 102,425,051.93/11,666.82
  6. Step 6: Final answer
    x = 8,779.17

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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.