Home / 11,666.25-17,499.38-3,458.25

Finding the Fourth Proportional to 11,666.25, 17,499.38 and 3,458.25

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Solution

The fourth proportional to 11,666.25, 17,499.38 and 3,458.25 is: 5,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.25 : 17,499.38 = 3,458.25 : x
  2. Step 2: Convert to fraction form
    11,666.25/17,499.38 = 3,458.25/x
  3. Step 3: Cross multiply
    11,666.25x = 17,499.38 × 3,458.25
  4. Step 4: Simplify right side
    11,666.25x = 60,517,213.59
  5. Step 5: Solve for x
    x = 60,517,213.59/11,666.25
  6. Step 6: Final answer
    x = 5,187.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.