Home / 11,324.75-15,629.76-6,610.55

Finding the Fourth Proportional to 11,324.75, 15,629.76 and 6,610.55

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Solution

The fourth proportional to 11,324.75, 15,629.76 and 6,610.55 is: 9,123.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.75 : 15,629.76 = 6,610.55 : x
  2. Step 2: Convert to fraction form
    11,324.75/15,629.76 = 6,610.55/x
  3. Step 3: Cross multiply
    11,324.75x = 15,629.76 × 6,610.55
  4. Step 4: Simplify right side
    11,324.75x = 103,321,231.82
  5. Step 5: Solve for x
    x = 103,321,231.82/11,324.75
  6. Step 6: Final answer
    x = 9,123.49

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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.