Home / 7,512.81-11,269.16-3,069.53

Finding the Fourth Proportional to 7,512.81, 11,269.16 and 3,069.53

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Solution

The fourth proportional to 7,512.81, 11,269.16 and 3,069.53 is: 4,604.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.81 : 11,269.16 = 3,069.53 : x
  2. Step 2: Convert to fraction form
    7,512.81/11,269.16 = 3,069.53/x
  3. Step 3: Cross multiply
    7,512.81x = 11,269.16 × 3,069.53
  4. Step 4: Simplify right side
    7,512.81x = 34,591,024.69
  5. Step 5: Solve for x
    x = 34,591,024.69/7,512.81
  6. Step 6: Final answer
    x = 4,604.27

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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.