Home / 12,083.01-18,121.68-4,685.49

Finding the Fourth Proportional to 12,083.01, 18,121.68 and 4,685.49

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Solution

The fourth proportional to 12,083.01, 18,121.68 and 4,685.49 is: 7,027.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.01 : 18,121.68 = 4,685.49 : x
  2. Step 2: Convert to fraction form
    12,083.01/18,121.68 = 4,685.49/x
  3. Step 3: Cross multiply
    12,083.01x = 18,121.68 × 4,685.49
  4. Step 4: Simplify right side
    12,083.01x = 84,908,950.42
  5. Step 5: Solve for x
    x = 84,908,950.42/12,083.01
  6. Step 6: Final answer
    x = 7,027.14

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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.