Home / 8,172.14-12,247.41-2,973.02

Finding the Fourth Proportional to 8,172.14, 12,247.41 and 2,973.02

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Solution

The fourth proportional to 8,172.14, 12,247.41 and 2,973.02 is: 4,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.14 : 12,247.41 = 2,973.02 : x
  2. Step 2: Convert to fraction form
    8,172.14/12,247.41 = 2,973.02/x
  3. Step 3: Cross multiply
    8,172.14x = 12,247.41 × 2,973.02
  4. Step 4: Simplify right side
    8,172.14x = 36,411,794.88
  5. Step 5: Solve for x
    x = 36,411,794.88/8,172.14
  6. Step 6: Final answer
    x = 4,455.60

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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.