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Finding the Fourth Proportional to 8,167.54, 11,271.19 and 4,441.54

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Solution

The fourth proportional to 8,167.54, 11,271.19 and 4,441.54 is: 6,129.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.54 : 11,271.19 = 4,441.54 : x
  2. Step 2: Convert to fraction form
    8,167.54/11,271.19 = 4,441.54/x
  3. Step 3: Cross multiply
    8,167.54x = 11,271.19 × 4,441.54
  4. Step 4: Simplify right side
    8,167.54x = 50,061,441.23
  5. Step 5: Solve for x
    x = 50,061,441.23/8,167.54
  6. Step 6: Final answer
    x = 6,129.32

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Half scale
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Double scale
Find fourth proportional to 8,168.54, 11,272.57 and 4,442.54
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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.