Home / 11,035.40-15,224.61-8,170.95

Finding the Fourth Proportional to 11,035.40, 15,224.61 and 8,170.95

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Solution

The fourth proportional to 11,035.40, 15,224.61 and 8,170.95 is: 11,272.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,035.40 : 15,224.61 = 8,170.95 : x
  2. Step 2: Convert to fraction form
    11,035.40/15,224.61 = 8,170.95/x
  3. Step 3: Cross multiply
    11,035.40x = 15,224.61 × 8,170.95
  4. Step 4: Simplify right side
    11,035.40x = 124,399,450.96
  5. Step 5: Solve for x
    x = 124,399,450.96/11,035.40
  6. Step 6: Final answer
    x = 11,272.77

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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.