Home / 11,517.07-15,897.66-6,801.37

Finding the Fourth Proportional to 11,517.07, 15,897.66 and 6,801.37

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Solution

The fourth proportional to 11,517.07, 15,897.66 and 6,801.37 is: 9,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.07 : 15,897.66 = 6,801.37 : x
  2. Step 2: Convert to fraction form
    11,517.07/15,897.66 = 6,801.37/x
  3. Step 3: Cross multiply
    11,517.07x = 15,897.66 × 6,801.37
  4. Step 4: Simplify right side
    11,517.07x = 108,125,867.79
  5. Step 5: Solve for x
    x = 108,125,867.79/11,517.07
  6. Step 6: Final answer
    x = 9,388.31

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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.