Home / 8,282.62-12,428.79-5,940.10

Finding the Fourth Proportional to 8,282.62, 12,428.79 and 5,940.10

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Solution

The fourth proportional to 8,282.62, 12,428.79 and 5,940.10 is: 8,913.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.62 : 12,428.79 = 5,940.10 : x
  2. Step 2: Convert to fraction form
    8,282.62/12,428.79 = 5,940.10/x
  3. Step 3: Cross multiply
    8,282.62x = 12,428.79 × 5,940.10
  4. Step 4: Simplify right side
    8,282.62x = 73,828,163.63
  5. Step 5: Solve for x
    x = 73,828,163.63/8,282.62
  6. Step 6: Final answer
    x = 8,913.63

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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.