Home / 11,763.84-17,631.36-5,520

Finding the Fourth Proportional to 11,763.84, 17,631.36 and 5,520

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Solution

The fourth proportional to 11,763.84, 17,631.36 and 5,520 is: 8,273.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.84 : 17,631.36 = 5,520 : x
  2. Step 2: Convert to fraction form
    11,763.84/17,631.36 = 5,520/x
  3. Step 3: Cross multiply
    11,763.84x = 17,631.36 × 5,520
  4. Step 4: Simplify right side
    11,763.84x = 97,325,107.20
  5. Step 5: Solve for x
    x = 97,325,107.20/11,763.84
  6. Step 6: Final answer
    x = 8,273.24

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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.