Home / 8,451.47-11,662.57-4,674.42

Finding the Fourth Proportional to 8,451.47, 11,662.57 and 4,674.42

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Solution

The fourth proportional to 8,451.47, 11,662.57 and 4,674.42 is: 6,450.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.47 : 11,662.57 = 4,674.42 : x
  2. Step 2: Convert to fraction form
    8,451.47/11,662.57 = 4,674.42/x
  3. Step 3: Cross multiply
    8,451.47x = 11,662.57 × 4,674.42
  4. Step 4: Simplify right side
    8,451.47x = 54,515,692.15
  5. Step 5: Solve for x
    x = 54,515,692.15/8,451.47
  6. Step 6: Final answer
    x = 6,450.44

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Half scale
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Double scale
Find fourth proportional to 8,452.47, 11,663.95 and 4,675.42
Similar ratio
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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.