Home / 7,917.46-11,876.87-2,074.07

Finding the Fourth Proportional to 7,917.46, 11,876.87 and 2,074.07

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Solution

The fourth proportional to 7,917.46, 11,876.87 and 2,074.07 is: 3,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.46 : 11,876.87 = 2,074.07 : x
  2. Step 2: Convert to fraction form
    7,917.46/11,876.87 = 2,074.07/x
  3. Step 3: Cross multiply
    7,917.46x = 11,876.87 × 2,074.07
  4. Step 4: Simplify right side
    7,917.46x = 24,633,390.01
  5. Step 5: Solve for x
    x = 24,633,390.01/7,917.46
  6. Step 6: Final answer
    x = 3,111.28

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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.