Home / 10,721.77-16,079.58-3,699.96

Finding the Fourth Proportional to 10,721.77, 16,079.58 and 3,699.96

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Solution

The fourth proportional to 10,721.77, 16,079.58 and 3,699.96 is: 5,548.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.77 : 16,079.58 = 3,699.96 : x
  2. Step 2: Convert to fraction form
    10,721.77/16,079.58 = 3,699.96/x
  3. Step 3: Cross multiply
    10,721.77x = 16,079.58 × 3,699.96
  4. Step 4: Simplify right side
    10,721.77x = 59,493,783.44
  5. Step 5: Solve for x
    x = 59,493,783.44/10,721.77
  6. Step 6: Final answer
    x = 5,548.88

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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.