Home / 8,072.04-12,106.68-2,149.01

Finding the Fourth Proportional to 8,072.04, 12,106.68 and 2,149.01

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Solution

The fourth proportional to 8,072.04, 12,106.68 and 2,149.01 is: 3,223.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.04 : 12,106.68 = 2,149.01 : x
  2. Step 2: Convert to fraction form
    8,072.04/12,106.68 = 2,149.01/x
  3. Step 3: Cross multiply
    8,072.04x = 12,106.68 × 2,149.01
  4. Step 4: Simplify right side
    8,072.04x = 26,017,376.39
  5. Step 5: Solve for x
    x = 26,017,376.39/8,072.04
  6. Step 6: Final answer
    x = 3,223.15

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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.