Home / 8,340.45-11,512.41-4,806.03

Finding the Fourth Proportional to 8,340.45, 11,512.41 and 4,806.03

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Solution

The fourth proportional to 8,340.45, 11,512.41 and 4,806.03 is: 6,633.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.45 : 11,512.41 = 4,806.03 : x
  2. Step 2: Convert to fraction form
    8,340.45/11,512.41 = 4,806.03/x
  3. Step 3: Cross multiply
    8,340.45x = 11,512.41 × 4,806.03
  4. Step 4: Simplify right side
    8,340.45x = 55,328,987.83
  5. Step 5: Solve for x
    x = 55,328,987.83/8,340.45
  6. Step 6: Final answer
    x = 6,633.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.