Home / 28,504.12-42,757.62-8,796.16

Finding the Fourth Proportional to 28,504.12, 42,757.62 and 8,796.16

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Solution

The fourth proportional to 28,504.12, 42,757.62 and 8,796.16 is: 13,194.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,504.12 : 42,757.62 = 8,796.16 : x
  2. Step 2: Convert to fraction form
    28,504.12/42,757.62 = 8,796.16/x
  3. Step 3: Cross multiply
    28,504.12x = 42,757.62 × 8,796.16
  4. Step 4: Simplify right side
    28,504.12x = 376,102,866.74
  5. Step 5: Solve for x
    x = 376,102,866.74/28,504.12
  6. Step 6: Final answer
    x = 13,194.68

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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.