Home / 27,512.45-41,267.88-7,790.96

Finding the Fourth Proportional to 27,512.45, 41,267.88 and 7,790.96

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Solution

The fourth proportional to 27,512.45, 41,267.88 and 7,790.96 is: 11,686.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,512.45 : 41,267.88 = 7,790.96 : x
  2. Step 2: Convert to fraction form
    27,512.45/41,267.88 = 7,790.96/x
  3. Step 3: Cross multiply
    27,512.45x = 41,267.88 × 7,790.96
  4. Step 4: Simplify right side
    27,512.45x = 321,516,196.03
  5. Step 5: Solve for x
    x = 321,516,196.03/27,512.45
  6. Step 6: Final answer
    x = 11,686.21

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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.