Home / 7,902.97-11,828.73-5,822.15

Finding the Fourth Proportional to 7,902.97, 11,828.73 and 5,822.15

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Solution

The fourth proportional to 7,902.97, 11,828.73 and 5,822.15 is: 8,714.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.97 : 11,828.73 = 5,822.15 : x
  2. Step 2: Convert to fraction form
    7,902.97/11,828.73 = 5,822.15/x
  3. Step 3: Cross multiply
    7,902.97x = 11,828.73 × 5,822.15
  4. Step 4: Simplify right side
    7,902.97x = 68,868,640.37
  5. Step 5: Solve for x
    x = 68,868,640.37/7,902.97
  6. Step 6: Final answer
    x = 8,714.27

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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.