Home / 7,895.45-11,843.76-2,272.89

Finding the Fourth Proportional to 7,895.45, 11,843.76 and 2,272.89

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Solution

The fourth proportional to 7,895.45, 11,843.76 and 2,272.89 is: 3,409.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.45 : 11,843.76 = 2,272.89 : x
  2. Step 2: Convert to fraction form
    7,895.45/11,843.76 = 2,272.89/x
  3. Step 3: Cross multiply
    7,895.45x = 11,843.76 × 2,272.89
  4. Step 4: Simplify right side
    7,895.45x = 26,919,563.67
  5. Step 5: Solve for x
    x = 26,919,563.67/7,895.45
  6. Step 6: Final answer
    x = 3,409.50

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1.5x scale

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.