Home / 11,765.56-17,650.51-3,868.53

Finding the Fourth Proportional to 11,765.56, 17,650.51 and 3,868.53

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Solution

The fourth proportional to 11,765.56, 17,650.51 and 3,868.53 is: 5,803.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.56 : 17,650.51 = 3,868.53 : x
  2. Step 2: Convert to fraction form
    11,765.56/17,650.51 = 3,868.53/x
  3. Step 3: Cross multiply
    11,765.56x = 17,650.51 × 3,868.53
  4. Step 4: Simplify right side
    11,765.56x = 68,281,527.45
  5. Step 5: Solve for x
    x = 68,281,527.45/11,765.56
  6. Step 6: Final answer
    x = 5,803.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.