Home / 10,495.22-15,749.31-6,121.22

Finding the Fourth Proportional to 10,495.22, 15,749.31 and 6,121.22

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Solution

The fourth proportional to 10,495.22, 15,749.31 and 6,121.22 is: 9,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,495.22 : 15,749.31 = 6,121.22 : x
  2. Step 2: Convert to fraction form
    10,495.22/15,749.31 = 6,121.22/x
  3. Step 3: Cross multiply
    10,495.22x = 15,749.31 × 6,121.22
  4. Step 4: Simplify right side
    10,495.22x = 96,404,991.36
  5. Step 5: Solve for x
    x = 96,404,991.36/10,495.22
  6. Step 6: Final answer
    x = 9,185.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.