Home / 10,731.80-16,097.70-3,336.20

Finding the Fourth Proportional to 10,731.80, 16,097.70 and 3,336.20

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Solution

The fourth proportional to 10,731.80, 16,097.70 and 3,336.20 is: 5,004.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.80 : 16,097.70 = 3,336.20 : x
  2. Step 2: Convert to fraction form
    10,731.80/16,097.70 = 3,336.20/x
  3. Step 3: Cross multiply
    10,731.80x = 16,097.70 × 3,336.20
  4. Step 4: Simplify right side
    10,731.80x = 53,705,146.74
  5. Step 5: Solve for x
    x = 53,705,146.74/10,731.80
  6. Step 6: Final answer
    x = 5,004.30

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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.