Home / 8,213.46-11,334.72-4,677

Finding the Fourth Proportional to 8,213.46, 11,334.72 and 4,677

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Solution

The fourth proportional to 8,213.46, 11,334.72 and 4,677 is: 6,454.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.46 : 11,334.72 = 4,677 : x
  2. Step 2: Convert to fraction form
    8,213.46/11,334.72 = 4,677/x
  3. Step 3: Cross multiply
    8,213.46x = 11,334.72 × 4,677
  4. Step 4: Simplify right side
    8,213.46x = 53,012,485.44
  5. Step 5: Solve for x
    x = 53,012,485.44/8,213.46
  6. Step 6: Final answer
    x = 6,454.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.