Home / 10,742.67-16,116.80-3,347.25

Finding the Fourth Proportional to 10,742.67, 16,116.80 and 3,347.25

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Solution

The fourth proportional to 10,742.67, 16,116.80 and 3,347.25 is: 5,021.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742.67 : 16,116.80 = 3,347.25 : x
  2. Step 2: Convert to fraction form
    10,742.67/16,116.80 = 3,347.25/x
  3. Step 3: Cross multiply
    10,742.67x = 16,116.80 × 3,347.25
  4. Step 4: Simplify right side
    10,742.67x = 53,946,958.80
  5. Step 5: Solve for x
    x = 53,946,958.80/10,742.67
  6. Step 6: Final answer
    x = 5,021.75

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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.