Home / 9,336.19-12,846.18-9,114.70

Finding the Fourth Proportional to 9,336.19, 12,846.18 and 9,114.70

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Solution

The fourth proportional to 9,336.19, 12,846.18 and 9,114.70 is: 12,541.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,336.19 : 12,846.18 = 9,114.70 : x
  2. Step 2: Convert to fraction form
    9,336.19/12,846.18 = 9,114.70/x
  3. Step 3: Cross multiply
    9,336.19x = 12,846.18 × 9,114.70
  4. Step 4: Simplify right side
    9,336.19x = 117,089,076.85
  5. Step 5: Solve for x
    x = 117,089,076.85/9,336.19
  6. Step 6: Final answer
    x = 12,541.42

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Half scale
Find fourth proportional to 18,672.38, 25,692.36 and 18,229.40
Double scale
Find fourth proportional to 9,337.19, 12,847.56 and 9,115.70
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.