Home / 11,017.36-15,209.88-8,493.96

Finding the Fourth Proportional to 11,017.36, 15,209.88 and 8,493.96

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Solution

The fourth proportional to 11,017.36, 15,209.88 and 8,493.96 is: 11,726.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017.36 : 15,209.88 = 8,493.96 : x
  2. Step 2: Convert to fraction form
    11,017.36/15,209.88 = 8,493.96/x
  3. Step 3: Cross multiply
    11,017.36x = 15,209.88 × 8,493.96
  4. Step 4: Simplify right side
    11,017.36x = 129,192,112.32
  5. Step 5: Solve for x
    x = 129,192,112.32/11,017.36
  6. Step 6: Final answer
    x = 11,726.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.