Home / 11,155.10-16,734.19-3,761.67

Finding the Fourth Proportional to 11,155.10, 16,734.19 and 3,761.67

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Solution

The fourth proportional to 11,155.10, 16,734.19 and 3,761.67 is: 5,643.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.10 : 16,734.19 = 3,761.67 : x
  2. Step 2: Convert to fraction form
    11,155.10/16,734.19 = 3,761.67/x
  3. Step 3: Cross multiply
    11,155.10x = 16,734.19 × 3,761.67
  4. Step 4: Simplify right side
    11,155.10x = 62,948,500.50
  5. Step 5: Solve for x
    x = 62,948,500.50/11,155.10
  6. Step 6: Final answer
    x = 5,643.02

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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.