Home / 11,445.14-17,157.44-7,273.43

Finding the Fourth Proportional to 11,445.14, 17,157.44 and 7,273.43

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Solution

The fourth proportional to 11,445.14, 17,157.44 and 7,273.43 is: 10,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.14 : 17,157.44 = 7,273.43 : x
  2. Step 2: Convert to fraction form
    11,445.14/17,157.44 = 7,273.43/x
  3. Step 3: Cross multiply
    11,445.14x = 17,157.44 × 7,273.43
  4. Step 4: Simplify right side
    11,445.14x = 124,793,316.66
  5. Step 5: Solve for x
    x = 124,793,316.66/11,445.14
  6. Step 6: Final answer
    x = 10,903.61

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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.