Home / 12,181.04-18,271.62-3,416.03

Finding the Fourth Proportional to 12,181.04, 18,271.62 and 3,416.03

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Solution

The fourth proportional to 12,181.04, 18,271.62 and 3,416.03 is: 5,124.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181.04 : 18,271.62 = 3,416.03 : x
  2. Step 2: Convert to fraction form
    12,181.04/18,271.62 = 3,416.03/x
  3. Step 3: Cross multiply
    12,181.04x = 18,271.62 × 3,416.03
  4. Step 4: Simplify right side
    12,181.04x = 62,416,310.71
  5. Step 5: Solve for x
    x = 62,416,310.71/12,181.04
  6. Step 6: Final answer
    x = 5,124.06

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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.