Home / 11,928.32-17,895.36-4,136.96

Finding the Fourth Proportional to 11,928.32, 17,895.36 and 4,136.96

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Solution

The fourth proportional to 11,928.32, 17,895.36 and 4,136.96 is: 6,206.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.32 : 17,895.36 = 4,136.96 : x
  2. Step 2: Convert to fraction form
    11,928.32/17,895.36 = 4,136.96/x
  3. Step 3: Cross multiply
    11,928.32x = 17,895.36 × 4,136.96
  4. Step 4: Simplify right side
    11,928.32x = 74,032,388.51
  5. Step 5: Solve for x
    x = 74,032,388.51/11,928.32
  6. Step 6: Final answer
    x = 6,206.44

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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.