Home / 11,760.44-16,225.26-7,221.56

Finding the Fourth Proportional to 11,760.44, 16,225.26 and 7,221.56

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Solution

The fourth proportional to 11,760.44, 16,225.26 and 7,221.56 is: 9,963.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.44 : 16,225.26 = 7,221.56 : x
  2. Step 2: Convert to fraction form
    11,760.44/16,225.26 = 7,221.56/x
  3. Step 3: Cross multiply
    11,760.44x = 16,225.26 × 7,221.56
  4. Step 4: Simplify right side
    11,760.44x = 117,171,688.61
  5. Step 5: Solve for x
    x = 117,171,688.61/11,760.44
  6. Step 6: Final answer
    x = 9,963.21

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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.