Home / 28,529.73-42,794.55-7,753.23

Finding the Fourth Proportional to 28,529.73, 42,794.55 and 7,753.23

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Solution

The fourth proportional to 28,529.73, 42,794.55 and 7,753.23 is: 11,629.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.73 : 42,794.55 = 7,753.23 : x
  2. Step 2: Convert to fraction form
    28,529.73/42,794.55 = 7,753.23/x
  3. Step 3: Cross multiply
    28,529.73x = 42,794.55 × 7,753.23
  4. Step 4: Simplify right side
    28,529.73x = 331,795,988.90
  5. Step 5: Solve for x
    x = 331,795,988.90/28,529.73
  6. Step 6: Final answer
    x = 11,629.83

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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.