Home / 11,722.20-17,583.25-2,957.12

Finding the Fourth Proportional to 11,722.20, 17,583.25 and 2,957.12

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Solution

The fourth proportional to 11,722.20, 17,583.25 and 2,957.12 is: 4,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.20 : 17,583.25 = 2,957.12 : x
  2. Step 2: Convert to fraction form
    11,722.20/17,583.25 = 2,957.12/x
  3. Step 3: Cross multiply
    11,722.20x = 17,583.25 × 2,957.12
  4. Step 4: Simplify right side
    11,722.20x = 51,995,780.24
  5. Step 5: Solve for x
    x = 51,995,780.24/11,722.20
  6. Step 6: Final answer
    x = 4,435.67

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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.