Home / 11,693.44-16,118.08-10,728

Finding the Fourth Proportional to 11,693.44, 16,118.08 and 10,728

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Solution

The fourth proportional to 11,693.44, 16,118.08 and 10,728 is: 14,787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,693.44 : 16,118.08 = 10,728 : x
  2. Step 2: Convert to fraction form
    11,693.44/16,118.08 = 10,728/x
  3. Step 3: Cross multiply
    11,693.44x = 16,118.08 × 10,728
  4. Step 4: Simplify right side
    11,693.44x = 172,914,762.24
  5. Step 5: Solve for x
    x = 172,914,762.24/11,693.44
  6. Step 6: Final answer
    x = 14,787.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.