Home / 28,776.03-43,163.62-7,999.53

Finding the Fourth Proportional to 28,776.03, 43,163.62 and 7,999.53

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Solution

The fourth proportional to 28,776.03, 43,163.62 and 7,999.53 is: 11,999.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,776.03 : 43,163.62 = 7,999.53 : x
  2. Step 2: Convert to fraction form
    28,776.03/43,163.62 = 7,999.53/x
  3. Step 3: Cross multiply
    28,776.03x = 43,163.62 × 7,999.53
  4. Step 4: Simplify right side
    28,776.03x = 345,288,673.10
  5. Step 5: Solve for x
    x = 345,288,673.10/28,776.03
  6. Step 6: Final answer
    x = 11,999.18

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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.