Home / 8,975.05-13,461.55-3,428.27

Finding the Fourth Proportional to 8,975.05, 13,461.55 and 3,428.27

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Solution

The fourth proportional to 8,975.05, 13,461.55 and 3,428.27 is: 5,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.05 : 13,461.55 = 3,428.27 : x
  2. Step 2: Convert to fraction form
    8,975.05/13,461.55 = 3,428.27/x
  3. Step 3: Cross multiply
    8,975.05x = 13,461.55 × 3,428.27
  4. Step 4: Simplify right side
    8,975.05x = 46,149,902.45
  5. Step 5: Solve for x
    x = 46,149,902.45/8,975.05
  6. Step 6: Final answer
    x = 5,142.02

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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.