Home / 11,722.20-17,583.18-4,705.32

Finding the Fourth Proportional to 11,722.20, 17,583.18 and 4,705.32

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Solution

The fourth proportional to 11,722.20, 17,583.18 and 4,705.32 is: 7,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.20 : 17,583.18 = 4,705.32 : x
  2. Step 2: Convert to fraction form
    11,722.20/17,583.18 = 4,705.32/x
  3. Step 3: Cross multiply
    11,722.20x = 17,583.18 × 4,705.32
  4. Step 4: Simplify right side
    11,722.20x = 82,734,488.52
  5. Step 5: Solve for x
    x = 82,734,488.52/11,722.20
  6. Step 6: Final answer
    x = 7,057.93

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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.