Home / 11,436.32-17,124.30-9,203.24

Finding the Fourth Proportional to 11,436.32, 17,124.30 and 9,203.24

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Solution

The fourth proportional to 11,436.32, 17,124.30 and 9,203.24 is: 13,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,436.32 : 17,124.30 = 9,203.24 : x
  2. Step 2: Convert to fraction form
    11,436.32/17,124.30 = 9,203.24/x
  3. Step 3: Cross multiply
    11,436.32x = 17,124.30 × 9,203.24
  4. Step 4: Simplify right side
    11,436.32x = 157,599,042.73
  5. Step 5: Solve for x
    x = 157,599,042.73/11,436.32
  6. Step 6: Final answer
    x = 13,780.57

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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.