Home / 9,160.46-13,730.04-4,219.72

Finding the Fourth Proportional to 9,160.46, 13,730.04 and 4,219.72

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Solution

The fourth proportional to 9,160.46, 13,730.04 and 4,219.72 is: 6,324.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.46 : 13,730.04 = 4,219.72 : x
  2. Step 2: Convert to fraction form
    9,160.46/13,730.04 = 4,219.72/x
  3. Step 3: Cross multiply
    9,160.46x = 13,730.04 × 4,219.72
  4. Step 4: Simplify right side
    9,160.46x = 57,936,924.39
  5. Step 5: Solve for x
    x = 57,936,924.39/9,160.46
  6. Step 6: Final answer
    x = 6,324.67

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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.