Home / 8,276.54-12,423.65-3,349.40

Finding the Fourth Proportional to 8,276.54, 12,423.65 and 3,349.40

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Solution

The fourth proportional to 8,276.54, 12,423.65 and 3,349.40 is: 5,027.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.54 : 12,423.65 = 3,349.40 : x
  2. Step 2: Convert to fraction form
    8,276.54/12,423.65 = 3,349.40/x
  3. Step 3: Cross multiply
    8,276.54x = 12,423.65 × 3,349.40
  4. Step 4: Simplify right side
    8,276.54x = 41,611,694.44
  5. Step 5: Solve for x
    x = 41,611,694.44/8,276.54
  6. Step 6: Final answer
    x = 5,027.67

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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.