Home / 7,416.36-11,114.28-4,131

Finding the Fourth Proportional to 7,416.36, 11,114.28 and 4,131

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Solution

The fourth proportional to 7,416.36, 11,114.28 and 4,131 is: 6,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.36 : 11,114.28 = 4,131 : x
  2. Step 2: Convert to fraction form
    7,416.36/11,114.28 = 4,131/x
  3. Step 3: Cross multiply
    7,416.36x = 11,114.28 × 4,131
  4. Step 4: Simplify right side
    7,416.36x = 45,913,090.68
  5. Step 5: Solve for x
    x = 45,913,090.68/7,416.36
  6. Step 6: Final answer
    x = 6,190.79

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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.