Home / 8,244.64-11,375.80-4,885.78

Finding the Fourth Proportional to 8,244.64, 11,375.80 and 4,885.78

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Solution

The fourth proportional to 8,244.64, 11,375.80 and 4,885.78 is: 6,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244.64 : 11,375.80 = 4,885.78 : x
  2. Step 2: Convert to fraction form
    8,244.64/11,375.80 = 4,885.78/x
  3. Step 3: Cross multiply
    8,244.64x = 11,375.80 × 4,885.78
  4. Step 4: Simplify right side
    8,244.64x = 55,579,656.12
  5. Step 5: Solve for x
    x = 55,579,656.12/8,244.64
  6. Step 6: Final answer
    x = 6,741.31

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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.