Home / 7,171.12-10,748.60-3,651.24

Finding the Fourth Proportional to 7,171.12, 10,748.60 and 3,651.24

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Solution

The fourth proportional to 7,171.12, 10,748.60 and 3,651.24 is: 5,472.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.12 : 10,748.60 = 3,651.24 : x
  2. Step 2: Convert to fraction form
    7,171.12/10,748.60 = 3,651.24/x
  3. Step 3: Cross multiply
    7,171.12x = 10,748.60 × 3,651.24
  4. Step 4: Simplify right side
    7,171.12x = 39,245,700.01
  5. Step 5: Solve for x
    x = 39,245,700.01/7,171.12
  6. Step 6: Final answer
    x = 5,472.75

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1.5x scale

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.