Home / 11,350.21-17,025.17-5,105.81

Finding the Fourth Proportional to 11,350.21, 17,025.17 and 5,105.81

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Solution

The fourth proportional to 11,350.21, 17,025.17 and 5,105.81 is: 7,658.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.21 : 17,025.17 = 5,105.81 : x
  2. Step 2: Convert to fraction form
    11,350.21/17,025.17 = 5,105.81/x
  3. Step 3: Cross multiply
    11,350.21x = 17,025.17 × 5,105.81
  4. Step 4: Simplify right side
    11,350.21x = 86,927,172.58
  5. Step 5: Solve for x
    x = 86,927,172.58/11,350.21
  6. Step 6: Final answer
    x = 7,658.64

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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.