Home / 8,147.80-11,244.66-4,611.64

Finding the Fourth Proportional to 8,147.80, 11,244.66 and 4,611.64

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Solution

The fourth proportional to 8,147.80, 11,244.66 and 4,611.64 is: 6,364.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.80 : 11,244.66 = 4,611.64 : x
  2. Step 2: Convert to fraction form
    8,147.80/11,244.66 = 4,611.64/x
  3. Step 3: Cross multiply
    8,147.80x = 11,244.66 × 4,611.64
  4. Step 4: Simplify right side
    8,147.80x = 51,856,323.84
  5. Step 5: Solve for x
    x = 51,856,323.84/8,147.80
  6. Step 6: Final answer
    x = 6,364.46

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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.