Home / 7,428.33-11,143.10-2,496.65

Finding the Fourth Proportional to 7,428.33, 11,143.10 and 2,496.65

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Solution

The fourth proportional to 7,428.33, 11,143.10 and 2,496.65 is: 3,745.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.33 : 11,143.10 = 2,496.65 : x
  2. Step 2: Convert to fraction form
    7,428.33/11,143.10 = 2,496.65/x
  3. Step 3: Cross multiply
    7,428.33x = 11,143.10 × 2,496.65
  4. Step 4: Simplify right side
    7,428.33x = 27,820,371.14
  5. Step 5: Solve for x
    x = 27,820,371.14/7,428.33
  6. Step 6: Final answer
    x = 3,745.17

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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.