Home / 6,343.22-8,748.48-4,848.78

Finding the Fourth Proportional to 6,343.22, 8,748.48 and 4,848.78

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Solution

The fourth proportional to 6,343.22, 8,748.48 and 4,848.78 is: 6,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.22 : 8,748.48 = 4,848.78 : x
  2. Step 2: Convert to fraction form
    6,343.22/8,748.48 = 4,848.78/x
  3. Step 3: Cross multiply
    6,343.22x = 8,748.48 × 4,848.78
  4. Step 4: Simplify right side
    6,343.22x = 42,419,454.85
  5. Step 5: Solve for x
    x = 42,419,454.85/6,343.22
  6. Step 6: Final answer
    x = 6,687.37

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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.