Home / 12,362.22-17,062.38-11,365.92

Finding the Fourth Proportional to 12,362.22, 17,062.38 and 11,365.92

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Solution

The fourth proportional to 12,362.22, 17,062.38 and 11,365.92 is: 15,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.22 : 17,062.38 = 11,365.92 : x
  2. Step 2: Convert to fraction form
    12,362.22/17,062.38 = 11,365.92/x
  3. Step 3: Cross multiply
    12,362.22x = 17,062.38 × 11,365.92
  4. Step 4: Simplify right side
    12,362.22x = 193,929,646.09
  5. Step 5: Solve for x
    x = 193,929,646.09/12,362.22
  6. Step 6: Final answer
    x = 15,687.28

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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.