Home / 27,763.22-41,647.48-7,772.72

Finding the Fourth Proportional to 27,763.22, 41,647.48 and 7,772.72

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Solution

The fourth proportional to 27,763.22, 41,647.48 and 7,772.72 is: 11,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,763.22 : 41,647.48 = 7,772.72 : x
  2. Step 2: Convert to fraction form
    27,763.22/41,647.48 = 7,772.72/x
  3. Step 3: Cross multiply
    27,763.22x = 41,647.48 × 7,772.72
  4. Step 4: Simplify right side
    27,763.22x = 323,714,200.75
  5. Step 5: Solve for x
    x = 323,714,200.75/27,763.22
  6. Step 6: Final answer
    x = 11,659.82

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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.