Home / 9,964.20-13,748.49-5,714.94

Finding the Fourth Proportional to 9,964.20, 13,748.49 and 5,714.94

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Solution

The fourth proportional to 9,964.20, 13,748.49 and 5,714.94 is: 7,885.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.20 : 13,748.49 = 5,714.94 : x
  2. Step 2: Convert to fraction form
    9,964.20/13,748.49 = 5,714.94/x
  3. Step 3: Cross multiply
    9,964.20x = 13,748.49 × 5,714.94
  4. Step 4: Simplify right side
    9,964.20x = 78,571,795.44
  5. Step 5: Solve for x
    x = 78,571,795.44/9,964.20
  6. Step 6: Final answer
    x = 7,885.41

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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.