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Finding the Fourth Proportional to 11,596.62, 15,986.49 and 7,610.76

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Solution

The fourth proportional to 11,596.62, 15,986.49 and 7,610.76 is: 10,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,596.62 : 15,986.49 = 7,610.76 : x
  2. Step 2: Convert to fraction form
    11,596.62/15,986.49 = 7,610.76/x
  3. Step 3: Cross multiply
    11,596.62x = 15,986.49 × 7,610.76
  4. Step 4: Simplify right side
    11,596.62x = 121,669,338.63
  5. Step 5: Solve for x
    x = 121,669,338.63/11,596.62
  6. Step 6: Final answer
    x = 10,491.79

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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.