Home / 28,884.61-43,323.63-7,823.44

Finding the Fourth Proportional to 28,884.61, 43,323.63 and 7,823.44

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Solution

The fourth proportional to 28,884.61, 43,323.63 and 7,823.44 is: 11,734.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884.61 : 43,323.63 = 7,823.44 : x
  2. Step 2: Convert to fraction form
    28,884.61/43,323.63 = 7,823.44/x
  3. Step 3: Cross multiply
    28,884.61x = 43,323.63 × 7,823.44
  4. Step 4: Simplify right side
    28,884.61x = 338,939,819.89
  5. Step 5: Solve for x
    x = 338,939,819.89/28,884.61
  6. Step 6: Final answer
    x = 11,734.27

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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.