Home / 7,917.44-11,874.80-2,656.08

Finding the Fourth Proportional to 7,917.44, 11,874.80 and 2,656.08

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Solution

The fourth proportional to 7,917.44, 11,874.80 and 2,656.08 is: 3,983.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.44 : 11,874.80 = 2,656.08 : x
  2. Step 2: Convert to fraction form
    7,917.44/11,874.80 = 2,656.08/x
  3. Step 3: Cross multiply
    7,917.44x = 11,874.80 × 2,656.08
  4. Step 4: Simplify right side
    7,917.44x = 31,540,425.42
  5. Step 5: Solve for x
    x = 31,540,425.42/7,917.44
  6. Step 6: Final answer
    x = 3,983.67

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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.