Home / 7,920.35-11,883.33-3,763.68

Finding the Fourth Proportional to 7,920.35, 11,883.33 and 3,763.68

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Solution

The fourth proportional to 7,920.35, 11,883.33 and 3,763.68 is: 5,646.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920.35 : 11,883.33 = 3,763.68 : x
  2. Step 2: Convert to fraction form
    7,920.35/11,883.33 = 3,763.68/x
  3. Step 3: Cross multiply
    7,920.35x = 11,883.33 × 3,763.68
  4. Step 4: Simplify right side
    7,920.35x = 44,725,006.89
  5. Step 5: Solve for x
    x = 44,725,006.89/7,920.35
  6. Step 6: Final answer
    x = 5,646.85

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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.