Home / 11,091.39-15,302.44-7,316.43

Finding the Fourth Proportional to 11,091.39, 15,302.44 and 7,316.43

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Solution

The fourth proportional to 11,091.39, 15,302.44 and 7,316.43 is: 10,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.39 : 15,302.44 = 7,316.43 : x
  2. Step 2: Convert to fraction form
    11,091.39/15,302.44 = 7,316.43/x
  3. Step 3: Cross multiply
    11,091.39x = 15,302.44 × 7,316.43
  4. Step 4: Simplify right side
    11,091.39x = 111,959,231.09
  5. Step 5: Solve for x
    x = 111,959,231.09/11,091.39
  6. Step 6: Final answer
    x = 10,094.25

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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.