Home / 10,983.30-16,481.70-4,746.30

Finding the Fourth Proportional to 10,983.30, 16,481.70 and 4,746.30

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Solution

The fourth proportional to 10,983.30, 16,481.70 and 4,746.30 is: 7,122.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.30 : 16,481.70 = 4,746.30 : x
  2. Step 2: Convert to fraction form
    10,983.30/16,481.70 = 4,746.30/x
  3. Step 3: Cross multiply
    10,983.30x = 16,481.70 × 4,746.30
  4. Step 4: Simplify right side
    10,983.30x = 78,227,092.71
  5. Step 5: Solve for x
    x = 78,227,092.71/10,983.30
  6. Step 6: Final answer
    x = 7,122.37

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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.