Home / 7,806.35-11,701.96-2,874.67

Finding the Fourth Proportional to 7,806.35, 11,701.96 and 2,874.67

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Solution

The fourth proportional to 7,806.35, 11,701.96 and 2,874.67 is: 4,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,806.35 : 11,701.96 = 2,874.67 : x
  2. Step 2: Convert to fraction form
    7,806.35/11,701.96 = 2,874.67/x
  3. Step 3: Cross multiply
    7,806.35x = 11,701.96 × 2,874.67
  4. Step 4: Simplify right side
    7,806.35x = 33,639,273.35
  5. Step 5: Solve for x
    x = 33,639,273.35/7,806.35
  6. Step 6: Final answer
    x = 4,309.22

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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.