Home / 8,749.38-12,074.22-4,770.60

Finding the Fourth Proportional to 8,749.38, 12,074.22 and 4,770.60

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Solution

The fourth proportional to 8,749.38, 12,074.22 and 4,770.60 is: 6,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.38 : 12,074.22 = 4,770.60 : x
  2. Step 2: Convert to fraction form
    8,749.38/12,074.22 = 4,770.60/x
  3. Step 3: Cross multiply
    8,749.38x = 12,074.22 × 4,770.60
  4. Step 4: Simplify right side
    8,749.38x = 57,601,273.93
  5. Step 5: Solve for x
    x = 57,601,273.93/8,749.38
  6. Step 6: Final answer
    x = 6,583.47

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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.