Home / 9,515.54-14,274.68-2,942.30

Finding the Fourth Proportional to 9,515.54, 14,274.68 and 2,942.30

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Solution

The fourth proportional to 9,515.54, 14,274.68 and 2,942.30 is: 4,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.54 : 14,274.68 = 2,942.30 : x
  2. Step 2: Convert to fraction form
    9,515.54/14,274.68 = 2,942.30/x
  3. Step 3: Cross multiply
    9,515.54x = 14,274.68 × 2,942.30
  4. Step 4: Simplify right side
    9,515.54x = 42,000,390.96
  5. Step 5: Solve for x
    x = 42,000,390.96/9,515.54
  6. Step 6: Final answer
    x = 4,413.87

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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.