Home / 10,728.96-16,082.46-4,152.60

Finding the Fourth Proportional to 10,728.96, 16,082.46 and 4,152.60

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Solution

The fourth proportional to 10,728.96, 16,082.46 and 4,152.60 is: 6,224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728.96 : 16,082.46 = 4,152.60 : x
  2. Step 2: Convert to fraction form
    10,728.96/16,082.46 = 4,152.60/x
  3. Step 3: Cross multiply
    10,728.96x = 16,082.46 × 4,152.60
  4. Step 4: Simplify right side
    10,728.96x = 66,784,023.40
  5. Step 5: Solve for x
    x = 66,784,023.40/10,728.96
  6. Step 6: Final answer
    x = 6,224.65

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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.