Home / 11,008.09-15,190.73-5,972.14

Finding the Fourth Proportional to 11,008.09, 15,190.73 and 5,972.14

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Solution

The fourth proportional to 11,008.09, 15,190.73 and 5,972.14 is: 8,241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.09 : 15,190.73 = 5,972.14 : x
  2. Step 2: Convert to fraction form
    11,008.09/15,190.73 = 5,972.14/x
  3. Step 3: Cross multiply
    11,008.09x = 15,190.73 × 5,972.14
  4. Step 4: Simplify right side
    11,008.09x = 90,721,090.31
  5. Step 5: Solve for x
    x = 90,721,090.31/11,008.09
  6. Step 6: Final answer
    x = 8,241.31

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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.