Home / 7,918.13-11,874.22-3,235.65

Finding the Fourth Proportional to 7,918.13, 11,874.22 and 3,235.65

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Solution

The fourth proportional to 7,918.13, 11,874.22 and 3,235.65 is: 4,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.13 : 11,874.22 = 3,235.65 : x
  2. Step 2: Convert to fraction form
    7,918.13/11,874.22 = 3,235.65/x
  3. Step 3: Cross multiply
    7,918.13x = 11,874.22 × 3,235.65
  4. Step 4: Simplify right side
    7,918.13x = 38,420,819.94
  5. Step 5: Solve for x
    x = 38,420,819.94/7,918.13
  6. Step 6: Final answer
    x = 4,852.26

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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.