Home / 12,416.88-18,621.36-4,094.96

Finding the Fourth Proportional to 12,416.88, 18,621.36 and 4,094.96

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Solution

The fourth proportional to 12,416.88, 18,621.36 and 4,094.96 is: 6,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.88 : 18,621.36 = 4,094.96 : x
  2. Step 2: Convert to fraction form
    12,416.88/18,621.36 = 4,094.96/x
  3. Step 3: Cross multiply
    12,416.88x = 18,621.36 × 4,094.96
  4. Step 4: Simplify right side
    12,416.88x = 76,253,724.35
  5. Step 5: Solve for x
    x = 76,253,724.35/12,416.88
  6. Step 6: Final answer
    x = 6,141.13

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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.