Home / 11,442.96-15,791.67-6,407.39

Finding the Fourth Proportional to 11,442.96, 15,791.67 and 6,407.39

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Solution

The fourth proportional to 11,442.96, 15,791.67 and 6,407.39 is: 8,842.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,442.96 : 15,791.67 = 6,407.39 : x
  2. Step 2: Convert to fraction form
    11,442.96/15,791.67 = 6,407.39/x
  3. Step 3: Cross multiply
    11,442.96x = 15,791.67 × 6,407.39
  4. Step 4: Simplify right side
    11,442.96x = 101,183,388.44
  5. Step 5: Solve for x
    x = 101,183,388.44/11,442.96
  6. Step 6: Final answer
    x = 8,842.41

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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.