Home / 28,716.01-43,084.82-9,997.45

Finding the Fourth Proportional to 28,716.01, 43,084.82 and 9,997.45

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Solution

The fourth proportional to 28,716.01, 43,084.82 and 9,997.45 is: 14,999.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.01 : 43,084.82 = 9,997.45 : x
  2. Step 2: Convert to fraction form
    28,716.01/43,084.82 = 9,997.45/x
  3. Step 3: Cross multiply
    28,716.01x = 43,084.82 × 9,997.45
  4. Step 4: Simplify right side
    28,716.01x = 430,738,283.72
  5. Step 5: Solve for x
    x = 430,738,283.72/28,716.01
  6. Step 6: Final answer
    x = 14,999.94

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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.