Home / 10,286.55-15,422.94-4,732.38

Finding the Fourth Proportional to 10,286.55, 15,422.94 and 4,732.38

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Solution

The fourth proportional to 10,286.55, 15,422.94 and 4,732.38 is: 7,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.55 : 15,422.94 = 4,732.38 : x
  2. Step 2: Convert to fraction form
    10,286.55/15,422.94 = 4,732.38/x
  3. Step 3: Cross multiply
    10,286.55x = 15,422.94 × 4,732.38
  4. Step 4: Simplify right side
    10,286.55x = 72,987,212.80
  5. Step 5: Solve for x
    x = 72,987,212.80/10,286.55
  6. Step 6: Final answer
    x = 7,095.40

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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.