Home / 11,153.80-16,730.52-3,362.68

Finding the Fourth Proportional to 11,153.80, 16,730.52 and 3,362.68

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Solution

The fourth proportional to 11,153.80, 16,730.52 and 3,362.68 is: 5,043.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.80 : 16,730.52 = 3,362.68 : x
  2. Step 2: Convert to fraction form
    11,153.80/16,730.52 = 3,362.68/x
  3. Step 3: Cross multiply
    11,153.80x = 16,730.52 × 3,362.68
  4. Step 4: Simplify right side
    11,153.80x = 56,259,384.99
  5. Step 5: Solve for x
    x = 56,259,384.99/11,153.80
  6. Step 6: Final answer
    x = 5,043.97

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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.