Home / 8,546.55-12,821.19-3,281.34

Finding the Fourth Proportional to 8,546.55, 12,821.19 and 3,281.34

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Solution

The fourth proportional to 8,546.55, 12,821.19 and 3,281.34 is: 4,922.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546.55 : 12,821.19 = 3,281.34 : x
  2. Step 2: Convert to fraction form
    8,546.55/12,821.19 = 3,281.34/x
  3. Step 3: Cross multiply
    8,546.55x = 12,821.19 × 3,281.34
  4. Step 4: Simplify right side
    8,546.55x = 42,070,683.59
  5. Step 5: Solve for x
    x = 42,070,683.59/8,546.55
  6. Step 6: Final answer
    x = 4,922.53

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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.