Home / 11,153.38-16,730.06-3,362.20

Finding the Fourth Proportional to 11,153.38, 16,730.06 and 3,362.20

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Solution

The fourth proportional to 11,153.38, 16,730.06 and 3,362.20 is: 5,043.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.38 : 16,730.06 = 3,362.20 : x
  2. Step 2: Convert to fraction form
    11,153.38/16,730.06 = 3,362.20/x
  3. Step 3: Cross multiply
    11,153.38x = 16,730.06 × 3,362.20
  4. Step 4: Simplify right side
    11,153.38x = 56,249,807.73
  5. Step 5: Solve for x
    x = 56,249,807.73/11,153.38
  6. Step 6: Final answer
    x = 5,043.30

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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.