Home / 11,933.36-17,895.72-4,539.78

Finding the Fourth Proportional to 11,933.36, 17,895.72 and 4,539.78

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Solution

The fourth proportional to 11,933.36, 17,895.72 and 4,539.78 is: 6,808.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.36 : 17,895.72 = 4,539.78 : x
  2. Step 2: Convert to fraction form
    11,933.36/17,895.72 = 4,539.78/x
  3. Step 3: Cross multiply
    11,933.36x = 17,895.72 × 4,539.78
  4. Step 4: Simplify right side
    11,933.36x = 81,242,631.74
  5. Step 5: Solve for x
    x = 81,242,631.74/11,933.36
  6. Step 6: Final answer
    x = 6,808.03

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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.