Home / 10,771.51-16,150.60-4,189.99

Finding the Fourth Proportional to 10,771.51, 16,150.60 and 4,189.99

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Solution

The fourth proportional to 10,771.51, 16,150.60 and 4,189.99 is: 6,282.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,771.51 : 16,150.60 = 4,189.99 : x
  2. Step 2: Convert to fraction form
    10,771.51/16,150.60 = 4,189.99/x
  3. Step 3: Cross multiply
    10,771.51x = 16,150.60 × 4,189.99
  4. Step 4: Simplify right side
    10,771.51x = 67,670,852.49
  5. Step 5: Solve for x
    x = 67,670,852.49/10,771.51
  6. Step 6: Final answer
    x = 6,282.39

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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.