Home / 8,245.35-12,366.78-2,698.58

Finding the Fourth Proportional to 8,245.35, 12,366.78 and 2,698.58

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Solution

The fourth proportional to 8,245.35, 12,366.78 and 2,698.58 is: 4,047.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.35 : 12,366.78 = 2,698.58 : x
  2. Step 2: Convert to fraction form
    8,245.35/12,366.78 = 2,698.58/x
  3. Step 3: Cross multiply
    8,245.35x = 12,366.78 × 2,698.58
  4. Step 4: Simplify right side
    8,245.35x = 33,372,683.34
  5. Step 5: Solve for x
    x = 33,372,683.34/8,245.35
  6. Step 6: Final answer
    x = 4,047.46

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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.