Home / 11,229.49-16,848.60-4,654

Finding the Fourth Proportional to 11,229.49, 16,848.60 and 4,654

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Solution

The fourth proportional to 11,229.49, 16,848.60 and 4,654 is: 6,982.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.49 : 16,848.60 = 4,654 : x
  2. Step 2: Convert to fraction form
    11,229.49/16,848.60 = 4,654/x
  3. Step 3: Cross multiply
    11,229.49x = 16,848.60 × 4,654
  4. Step 4: Simplify right side
    11,229.49x = 78,413,384.40
  5. Step 5: Solve for x
    x = 78,413,384.40/11,229.49
  6. Step 6: Final answer
    x = 6,982.81

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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.