Home / 34,651.19-51,976.32-8,355.72

Finding the Fourth Proportional to 34,651.19, 51,976.32 and 8,355.72

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Solution

The fourth proportional to 34,651.19, 51,976.32 and 8,355.72 is: 12,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,651.19 : 51,976.32 = 8,355.72 : x
  2. Step 2: Convert to fraction form
    34,651.19/51,976.32 = 8,355.72/x
  3. Step 3: Cross multiply
    34,651.19x = 51,976.32 × 8,355.72
  4. Step 4: Simplify right side
    34,651.19x = 434,299,576.55
  5. Step 5: Solve for x
    x = 434,299,576.55/34,651.19
  6. Step 6: Final answer
    x = 12,533.47

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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.