Home / 12,018.92-18,039.58-6,100.00

Finding the Fourth Proportional to 12,018.92, 18,039.58 and 6,100.00

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Solution

The fourth proportional to 12,018.92, 18,039.58 and 6,100.00 is: 9,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018.92 : 18,039.58 = 6,100.00 : x
  2. Step 2: Convert to fraction form
    12,018.92/18,039.58 = 6,100.00/x
  3. Step 3: Cross multiply
    12,018.92x = 18,039.58 × 6,100.00
  4. Step 4: Simplify right side
    12,018.92x = 110,041,377.65
  5. Step 5: Solve for x
    x = 110,041,377.65/12,018.92
  6. Step 6: Final answer
    x = 9,155.68

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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.