Home / 11,393.73-15,716.57-8,417.25

Finding the Fourth Proportional to 11,393.73, 15,716.57 and 8,417.25

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Solution

The fourth proportional to 11,393.73, 15,716.57 and 8,417.25 is: 11,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393.73 : 15,716.57 = 8,417.25 : x
  2. Step 2: Convert to fraction form
    11,393.73/15,716.57 = 8,417.25/x
  3. Step 3: Cross multiply
    11,393.73x = 15,716.57 × 8,417.25
  4. Step 4: Simplify right side
    11,393.73x = 132,290,256.75
  5. Step 5: Solve for x
    x = 132,290,256.75/11,393.73
  6. Step 6: Final answer
    x = 11,610.79

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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.