Home / 28,902.23-43,356.23-7,842.60

Finding the Fourth Proportional to 28,902.23, 43,356.23 and 7,842.60

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Solution

The fourth proportional to 28,902.23, 43,356.23 and 7,842.60 is: 11,764.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.23 : 43,356.23 = 7,842.60 : x
  2. Step 2: Convert to fraction form
    28,902.23/43,356.23 = 7,842.60/x
  3. Step 3: Cross multiply
    28,902.23x = 43,356.23 × 7,842.60
  4. Step 4: Simplify right side
    28,902.23x = 340,025,569.40
  5. Step 5: Solve for x
    x = 340,025,569.40/28,902.23
  6. Step 6: Final answer
    x = 11,764.68

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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.