Home / 7,915.46-11,873.87-2,072.06

Finding the Fourth Proportional to 7,915.46, 11,873.87 and 2,072.06

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Solution

The fourth proportional to 7,915.46, 11,873.87 and 2,072.06 is: 3,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,915.46 : 11,873.87 = 2,072.06 : x
  2. Step 2: Convert to fraction form
    7,915.46/11,873.87 = 2,072.06/x
  3. Step 3: Cross multiply
    7,915.46x = 11,873.87 × 2,072.06
  4. Step 4: Simplify right side
    7,915.46x = 24,603,390.40
  5. Step 5: Solve for x
    x = 24,603,390.40/7,915.46
  6. Step 6: Final answer
    x = 3,108.27

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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.