Home / 10,163.08-15,246.44-3,143.04

Finding the Fourth Proportional to 10,163.08, 15,246.44 and 3,143.04

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Solution

The fourth proportional to 10,163.08, 15,246.44 and 3,143.04 is: 4,715.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.08 : 15,246.44 = 3,143.04 : x
  2. Step 2: Convert to fraction form
    10,163.08/15,246.44 = 3,143.04/x
  3. Step 3: Cross multiply
    10,163.08x = 15,246.44 × 3,143.04
  4. Step 4: Simplify right side
    10,163.08x = 47,920,170.78
  5. Step 5: Solve for x
    x = 47,920,170.78/10,163.08
  6. Step 6: Final answer
    x = 4,715.12

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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.