Home / 12,039.58-18,052.88-5,462.18

Finding the Fourth Proportional to 12,039.58, 18,052.88 and 5,462.18

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Solution

The fourth proportional to 12,039.58, 18,052.88 and 5,462.18 is: 8,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.58 : 18,052.88 = 5,462.18 : x
  2. Step 2: Convert to fraction form
    12,039.58/18,052.88 = 5,462.18/x
  3. Step 3: Cross multiply
    12,039.58x = 18,052.88 × 5,462.18
  4. Step 4: Simplify right side
    12,039.58x = 98,608,050.68
  5. Step 5: Solve for x
    x = 98,608,050.68/12,039.58
  6. Step 6: Final answer
    x = 8,190.32

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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.