Home / 10,706.20-16,052.10-4,859.80

Finding the Fourth Proportional to 10,706.20, 16,052.10 and 4,859.80

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Solution

The fourth proportional to 10,706.20, 16,052.10 and 4,859.80 is: 7,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,706.20 : 16,052.10 = 4,859.80 : x
  2. Step 2: Convert to fraction form
    10,706.20/16,052.10 = 4,859.80/x
  3. Step 3: Cross multiply
    10,706.20x = 16,052.10 × 4,859.80
  4. Step 4: Simplify right side
    10,706.20x = 78,009,995.58
  5. Step 5: Solve for x
    x = 78,009,995.58/10,706.20
  6. Step 6: Final answer
    x = 7,286.43

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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.