Home / 12,060.24-18,090.18-6,855

Finding the Fourth Proportional to 12,060.24, 18,090.18 and 6,855

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Solution

The fourth proportional to 12,060.24, 18,090.18 and 6,855 is: 10,282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.24 : 18,090.18 = 6,855 : x
  2. Step 2: Convert to fraction form
    12,060.24/18,090.18 = 6,855/x
  3. Step 3: Cross multiply
    12,060.24x = 18,090.18 × 6,855
  4. Step 4: Simplify right side
    12,060.24x = 124,008,183.90
  5. Step 5: Solve for x
    x = 124,008,183.90/12,060.24
  6. Step 6: Final answer
    x = 10,282.40

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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.