Home / 10,788.48-16,174.08-4,213.44

Finding the Fourth Proportional to 10,788.48, 16,174.08 and 4,213.44

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Solution

The fourth proportional to 10,788.48, 16,174.08 and 4,213.44 is: 6,316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788.48 : 16,174.08 = 4,213.44 : x
  2. Step 2: Convert to fraction form
    10,788.48/16,174.08 = 4,213.44/x
  3. Step 3: Cross multiply
    10,788.48x = 16,174.08 × 4,213.44
  4. Step 4: Simplify right side
    10,788.48x = 68,148,515.64
  5. Step 5: Solve for x
    x = 68,148,515.64/10,788.48
  6. Step 6: Final answer
    x = 6,316.79

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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.