Home / 11,666.27-16,093.81-7,188.59

Finding the Fourth Proportional to 11,666.27, 16,093.81 and 7,188.59

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Solution

The fourth proportional to 11,666.27, 16,093.81 and 7,188.59 is: 9,916.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.27 : 16,093.81 = 7,188.59 : x
  2. Step 2: Convert to fraction form
    11,666.27/16,093.81 = 7,188.59/x
  3. Step 3: Cross multiply
    11,666.27x = 16,093.81 × 7,188.59
  4. Step 4: Simplify right side
    11,666.27x = 115,691,801.63
  5. Step 5: Solve for x
    x = 115,691,801.63/11,666.27
  6. Step 6: Final answer
    x = 9,916.78

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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.