Home / 10,728.44-16,092.68-4,485.04

Finding the Fourth Proportional to 10,728.44, 16,092.68 and 4,485.04

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Solution

The fourth proportional to 10,728.44, 16,092.68 and 4,485.04 is: 6,727.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728.44 : 16,092.68 = 4,485.04 : x
  2. Step 2: Convert to fraction form
    10,728.44/16,092.68 = 4,485.04/x
  3. Step 3: Cross multiply
    10,728.44x = 16,092.68 × 4,485.04
  4. Step 4: Simplify right side
    10,728.44x = 72,176,313.51
  5. Step 5: Solve for x
    x = 72,176,313.51/10,728.44
  6. Step 6: Final answer
    x = 6,727.57

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1.5x scale

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.