Home / 11,981.40-17,968.86-4,583.67

Finding the Fourth Proportional to 11,981.40, 17,968.86 and 4,583.67

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Solution

The fourth proportional to 11,981.40, 17,968.86 and 4,583.67 is: 6,874.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981.40 : 17,968.86 = 4,583.67 : x
  2. Step 2: Convert to fraction form
    11,981.40/17,968.86 = 4,583.67/x
  3. Step 3: Cross multiply
    11,981.40x = 17,968.86 × 4,583.67
  4. Step 4: Simplify right side
    11,981.40x = 82,363,324.52
  5. Step 5: Solve for x
    x = 82,363,324.52/11,981.40
  6. Step 6: Final answer
    x = 6,874.27

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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.