Home / 10,905.39-16,342.58-4,573.44

Finding the Fourth Proportional to 10,905.39, 16,342.58 and 4,573.44

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Solution

The fourth proportional to 10,905.39, 16,342.58 and 4,573.44 is: 6,853.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.39 : 16,342.58 = 4,573.44 : x
  2. Step 2: Convert to fraction form
    10,905.39/16,342.58 = 4,573.44/x
  3. Step 3: Cross multiply
    10,905.39x = 16,342.58 × 4,573.44
  4. Step 4: Simplify right side
    10,905.39x = 74,741,786.21
  5. Step 5: Solve for x
    x = 74,741,786.21/10,905.39
  6. Step 6: Final answer
    x = 6,853.66

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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.