Home / 11,611.08-17,419.24-4,215.52

Finding the Fourth Proportional to 11,611.08, 17,419.24 and 4,215.52

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Solution

The fourth proportional to 11,611.08, 17,419.24 and 4,215.52 is: 6,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.08 : 17,419.24 = 4,215.52 : x
  2. Step 2: Convert to fraction form
    11,611.08/17,419.24 = 4,215.52/x
  3. Step 3: Cross multiply
    11,611.08x = 17,419.24 × 4,215.52
  4. Step 4: Simplify right side
    11,611.08x = 73,431,154.60
  5. Step 5: Solve for x
    x = 73,431,154.60/11,611.08
  6. Step 6: Final answer
    x = 6,324.23

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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.