Home / 8,114.48-12,172.44-2,271.14

Finding the Fourth Proportional to 8,114.48, 12,172.44 and 2,271.14

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Solution

The fourth proportional to 8,114.48, 12,172.44 and 2,271.14 is: 3,406.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.48 : 12,172.44 = 2,271.14 : x
  2. Step 2: Convert to fraction form
    8,114.48/12,172.44 = 2,271.14/x
  3. Step 3: Cross multiply
    8,114.48x = 12,172.44 × 2,271.14
  4. Step 4: Simplify right side
    8,114.48x = 27,645,315.38
  5. Step 5: Solve for x
    x = 27,645,315.38/8,114.48
  6. Step 6: Final answer
    x = 3,406.91

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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.