Home / 7,428.24-11,142.36-2,496.96

Finding the Fourth Proportional to 7,428.24, 11,142.36 and 2,496.96

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Solution

The fourth proportional to 7,428.24, 11,142.36 and 2,496.96 is: 3,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.24 : 11,142.36 = 2,496.96 : x
  2. Step 2: Convert to fraction form
    7,428.24/11,142.36 = 2,496.96/x
  3. Step 3: Cross multiply
    7,428.24x = 11,142.36 × 2,496.96
  4. Step 4: Simplify right side
    7,428.24x = 27,822,027.23
  5. Step 5: Solve for x
    x = 27,822,027.23/7,428.24
  6. Step 6: Final answer
    x = 3,745.44

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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.