Home / 11,614.12-17,415.24-4,216.68

Finding the Fourth Proportional to 11,614.12, 17,415.24 and 4,216.68

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Solution

The fourth proportional to 11,614.12, 17,415.24 and 4,216.68 is: 6,322.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,614.12 : 17,415.24 = 4,216.68 : x
  2. Step 2: Convert to fraction form
    11,614.12/17,415.24 = 4,216.68/x
  3. Step 3: Cross multiply
    11,614.12x = 17,415.24 × 4,216.68
  4. Step 4: Simplify right side
    11,614.12x = 73,434,494.20
  5. Step 5: Solve for x
    x = 73,434,494.20/11,614.12
  6. Step 6: Final answer
    x = 6,322.86

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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.