Home / 11,929.44-17,894.34-3,165.60

Finding the Fourth Proportional to 11,929.44, 17,894.34 and 3,165.60

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Solution

The fourth proportional to 11,929.44, 17,894.34 and 3,165.60 is: 4,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.44 : 17,894.34 = 3,165.60 : x
  2. Step 2: Convert to fraction form
    11,929.44/17,894.34 = 3,165.60/x
  3. Step 3: Cross multiply
    11,929.44x = 17,894.34 × 3,165.60
  4. Step 4: Simplify right side
    11,929.44x = 56,646,322.70
  5. Step 5: Solve for x
    x = 56,646,322.70/11,929.44
  6. Step 6: Final answer
    x = 4,748.45

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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.