Home / 11,241.63-15,516.17-6,764.55

Finding the Fourth Proportional to 11,241.63, 15,516.17 and 6,764.55

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Solution

The fourth proportional to 11,241.63, 15,516.17 and 6,764.55 is: 9,336.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,241.63 : 15,516.17 = 6,764.55 : x
  2. Step 2: Convert to fraction form
    11,241.63/15,516.17 = 6,764.55/x
  3. Step 3: Cross multiply
    11,241.63x = 15,516.17 × 6,764.55
  4. Step 4: Simplify right side
    11,241.63x = 104,959,873.95
  5. Step 5: Solve for x
    x = 104,959,873.95/11,241.63
  6. Step 6: Final answer
    x = 9,336.71

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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.