Home / 12,127.14-18,183.42-4,631.19

Finding the Fourth Proportional to 12,127.14, 18,183.42 and 4,631.19

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Solution

The fourth proportional to 12,127.14, 18,183.42 and 4,631.19 is: 6,944.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127.14 : 18,183.42 = 4,631.19 : x
  2. Step 2: Convert to fraction form
    12,127.14/18,183.42 = 4,631.19/x
  3. Step 3: Cross multiply
    12,127.14x = 18,183.42 × 4,631.19
  4. Step 4: Simplify right side
    12,127.14x = 84,210,872.87
  5. Step 5: Solve for x
    x = 84,210,872.87/12,127.14
  6. Step 6: Final answer
    x = 6,944.00

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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.