Home / 9,140.55-13,704.09-3,591.03

Finding the Fourth Proportional to 9,140.55, 13,704.09 and 3,591.03

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Solution

The fourth proportional to 9,140.55, 13,704.09 and 3,591.03 is: 5,383.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.55 : 13,704.09 = 3,591.03 : x
  2. Step 2: Convert to fraction form
    9,140.55/13,704.09 = 3,591.03/x
  3. Step 3: Cross multiply
    9,140.55x = 13,704.09 × 3,591.03
  4. Step 4: Simplify right side
    9,140.55x = 49,211,836.24
  5. Step 5: Solve for x
    x = 49,211,836.24/9,140.55
  6. Step 6: Final answer
    x = 5,383.91

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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.