Home / 12,458.44-18,687.66-4,665.16

Finding the Fourth Proportional to 12,458.44, 18,687.66 and 4,665.16

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Solution

The fourth proportional to 12,458.44, 18,687.66 and 4,665.16 is: 6,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458.44 : 18,687.66 = 4,665.16 : x
  2. Step 2: Convert to fraction form
    12,458.44/18,687.66 = 4,665.16/x
  3. Step 3: Cross multiply
    12,458.44x = 18,687.66 × 4,665.16
  4. Step 4: Simplify right side
    12,458.44x = 87,180,923.93
  5. Step 5: Solve for x
    x = 87,180,923.93/12,458.44
  6. Step 6: Final answer
    x = 6,997.74

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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.