Home / 12,039.06-18,054.44-6,113.66

Finding the Fourth Proportional to 12,039.06, 18,054.44 and 6,113.66

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Solution

The fourth proportional to 12,039.06, 18,054.44 and 6,113.66 is: 9,168.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.06 : 18,054.44 = 6,113.66 : x
  2. Step 2: Convert to fraction form
    12,039.06/18,054.44 = 6,113.66/x
  3. Step 3: Cross multiply
    12,039.06x = 18,054.44 × 6,113.66
  4. Step 4: Simplify right side
    12,039.06x = 110,378,707.65
  5. Step 5: Solve for x
    x = 110,378,707.65/12,039.06
  6. Step 6: Final answer
    x = 9,168.38

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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.