Home / 10,992.98-15,170.28-5,957.31

Finding the Fourth Proportional to 10,992.98, 15,170.28 and 5,957.31

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Solution

The fourth proportional to 10,992.98, 15,170.28 and 5,957.31 is: 8,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.98 : 15,170.28 = 5,957.31 : x
  2. Step 2: Convert to fraction form
    10,992.98/15,170.28 = 5,957.31/x
  3. Step 3: Cross multiply
    10,992.98x = 15,170.28 × 5,957.31
  4. Step 4: Simplify right side
    10,992.98x = 90,374,060.75
  5. Step 5: Solve for x
    x = 90,374,060.75/10,992.98
  6. Step 6: Final answer
    x = 8,221.07

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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.