Home / 10,422.26-15,633.58-3,402.36

Finding the Fourth Proportional to 10,422.26, 15,633.58 and 3,402.36

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Solution

The fourth proportional to 10,422.26, 15,633.58 and 3,402.36 is: 5,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.26 : 15,633.58 = 3,402.36 : x
  2. Step 2: Convert to fraction form
    10,422.26/15,633.58 = 3,402.36/x
  3. Step 3: Cross multiply
    10,422.26x = 15,633.58 × 3,402.36
  4. Step 4: Simplify right side
    10,422.26x = 53,191,067.25
  5. Step 5: Solve for x
    x = 53,191,067.25/10,422.26
  6. Step 6: Final answer
    x = 5,103.60

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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.