Home / 7,183.12-10,764.85-5,426.68

Finding the Fourth Proportional to 7,183.12, 10,764.85 and 5,426.68

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Solution

The fourth proportional to 7,183.12, 10,764.85 and 5,426.68 is: 8,132.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.12 : 10,764.85 = 5,426.68 : x
  2. Step 2: Convert to fraction form
    7,183.12/10,764.85 = 5,426.68/x
  3. Step 3: Cross multiply
    7,183.12x = 10,764.85 × 5,426.68
  4. Step 4: Simplify right side
    7,183.12x = 58,417,396.20
  5. Step 5: Solve for x
    x = 58,417,396.20/7,183.12
  6. Step 6: Final answer
    x = 8,132.59

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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.