Home / 11,811.25-16,299.66-7,094.62

Finding the Fourth Proportional to 11,811.25, 16,299.66 and 7,094.62

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Solution

The fourth proportional to 11,811.25, 16,299.66 and 7,094.62 is: 9,790.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.25 : 16,299.66 = 7,094.62 : x
  2. Step 2: Convert to fraction form
    11,811.25/16,299.66 = 7,094.62/x
  3. Step 3: Cross multiply
    11,811.25x = 16,299.66 × 7,094.62
  4. Step 4: Simplify right side
    11,811.25x = 115,639,893.83
  5. Step 5: Solve for x
    x = 115,639,893.83/11,811.25
  6. Step 6: Final answer
    x = 9,790.66

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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.