Home / 11,688.20-17,516.94-5,533.96

Finding the Fourth Proportional to 11,688.20, 17,516.94 and 5,533.96

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Solution

The fourth proportional to 11,688.20, 17,516.94 and 5,533.96 is: 8,293.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.20 : 17,516.94 = 5,533.96 : x
  2. Step 2: Convert to fraction form
    11,688.20/17,516.94 = 5,533.96/x
  3. Step 3: Cross multiply
    11,688.20x = 17,516.94 × 5,533.96
  4. Step 4: Simplify right side
    11,688.20x = 96,938,045.28
  5. Step 5: Solve for x
    x = 96,938,045.28/11,688.20
  6. Step 6: Final answer
    x = 8,293.67

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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.