Home / 11,666.54-16,099.76-6,361.32

Finding the Fourth Proportional to 11,666.54, 16,099.76 and 6,361.32

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Solution

The fourth proportional to 11,666.54, 16,099.76 and 6,361.32 is: 8,778.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.54 : 16,099.76 = 6,361.32 : x
  2. Step 2: Convert to fraction form
    11,666.54/16,099.76 = 6,361.32/x
  3. Step 3: Cross multiply
    11,666.54x = 16,099.76 × 6,361.32
  4. Step 4: Simplify right side
    11,666.54x = 102,415,725.28
  5. Step 5: Solve for x
    x = 102,415,725.28/11,666.54
  6. Step 6: Final answer
    x = 8,778.59

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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.