Home / 11,778.05-17,643.98-6,837.32

Finding the Fourth Proportional to 11,778.05, 17,643.98 and 6,837.32

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Solution

The fourth proportional to 11,778.05, 17,643.98 and 6,837.32 is: 10,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.05 : 17,643.98 = 6,837.32 : x
  2. Step 2: Convert to fraction form
    11,778.05/17,643.98 = 6,837.32/x
  3. Step 3: Cross multiply
    11,778.05x = 17,643.98 × 6,837.32
  4. Step 4: Simplify right side
    11,778.05x = 120,637,414.93
  5. Step 5: Solve for x
    x = 120,637,414.93/11,778.05
  6. Step 6: Final answer
    x = 10,242.57

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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.