Home / 10,728.80-16,093.56-3,333.20

Finding the Fourth Proportional to 10,728.80, 16,093.56 and 3,333.20

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Solution

The fourth proportional to 10,728.80, 16,093.56 and 3,333.20 is: 4,999.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728.80 : 16,093.56 = 3,333.20 : x
  2. Step 2: Convert to fraction form
    10,728.80/16,093.56 = 3,333.20/x
  3. Step 3: Cross multiply
    10,728.80x = 16,093.56 × 3,333.20
  4. Step 4: Simplify right side
    10,728.80x = 53,643,054.19
  5. Step 5: Solve for x
    x = 53,643,054.19/10,728.80
  6. Step 6: Final answer
    x = 4,999.91

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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.