Home / 7,939.08-11,908.42-2,095.67

Finding the Fourth Proportional to 7,939.08, 11,908.42 and 2,095.67

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Solution

The fourth proportional to 7,939.08, 11,908.42 and 2,095.67 is: 3,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.08 : 11,908.42 = 2,095.67 : x
  2. Step 2: Convert to fraction form
    7,939.08/11,908.42 = 2,095.67/x
  3. Step 3: Cross multiply
    7,939.08x = 11,908.42 × 2,095.67
  4. Step 4: Simplify right side
    7,939.08x = 24,956,143.07
  5. Step 5: Solve for x
    x = 24,956,143.07/7,939.08
  6. Step 6: Final answer
    x = 3,143.46

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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.