Home / 10,721.34-16,079.58-3,795.84

Finding the Fourth Proportional to 10,721.34, 16,079.58 and 3,795.84

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Solution

The fourth proportional to 10,721.34, 16,079.58 and 3,795.84 is: 5,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.34 : 16,079.58 = 3,795.84 : x
  2. Step 2: Convert to fraction form
    10,721.34/16,079.58 = 3,795.84/x
  3. Step 3: Cross multiply
    10,721.34x = 16,079.58 × 3,795.84
  4. Step 4: Simplify right side
    10,721.34x = 61,035,512.95
  5. Step 5: Solve for x
    x = 61,035,512.95/10,721.34
  6. Step 6: Final answer
    x = 5,692.90

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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.