Home / 11,417.20-17,143.40-6,233.20

Finding the Fourth Proportional to 11,417.20, 17,143.40 and 6,233.20

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Solution

The fourth proportional to 11,417.20, 17,143.40 and 6,233.20 is: 9,359.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,417.20 : 17,143.40 = 6,233.20 : x
  2. Step 2: Convert to fraction form
    11,417.20/17,143.40 = 6,233.20/x
  3. Step 3: Cross multiply
    11,417.20x = 17,143.40 × 6,233.20
  4. Step 4: Simplify right side
    11,417.20x = 106,858,240.88
  5. Step 5: Solve for x
    x = 106,858,240.88/11,417.20
  6. Step 6: Final answer
    x = 9,359.41

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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.