Home / 6,741.36-10,112.40-2,124

Finding the Fourth Proportional to 6,741.36, 10,112.40 and 2,124

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Solution

The fourth proportional to 6,741.36, 10,112.40 and 2,124 is: 3,186.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,741.36 : 10,112.40 = 2,124 : x
  2. Step 2: Convert to fraction form
    6,741.36/10,112.40 = 2,124/x
  3. Step 3: Cross multiply
    6,741.36x = 10,112.40 × 2,124
  4. Step 4: Simplify right side
    6,741.36x = 21,478,737.60
  5. Step 5: Solve for x
    x = 21,478,737.60/6,741.36
  6. Step 6: Final answer
    x = 3,186.11

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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.