Home / 11,916.18-17,861.85-4,516.02

Finding the Fourth Proportional to 11,916.18, 17,861.85 and 4,516.02

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Solution

The fourth proportional to 11,916.18, 17,861.85 and 4,516.02 is: 6,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.18 : 17,861.85 = 4,516.02 : x
  2. Step 2: Convert to fraction form
    11,916.18/17,861.85 = 4,516.02/x
  3. Step 3: Cross multiply
    11,916.18x = 17,861.85 × 4,516.02
  4. Step 4: Simplify right side
    11,916.18x = 80,664,471.84
  5. Step 5: Solve for x
    x = 80,664,471.84/11,916.18
  6. Step 6: Final answer
    x = 6,769.32

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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.