Home / 11,553.09-17,331.75-3,657.57

Finding the Fourth Proportional to 11,553.09, 17,331.75 and 3,657.57

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Solution

The fourth proportional to 11,553.09, 17,331.75 and 3,657.57 is: 5,487.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.09 : 17,331.75 = 3,657.57 : x
  2. Step 2: Convert to fraction form
    11,553.09/17,331.75 = 3,657.57/x
  3. Step 3: Cross multiply
    11,553.09x = 17,331.75 × 3,657.57
  4. Step 4: Simplify right side
    11,553.09x = 63,392,088.85
  5. Step 5: Solve for x
    x = 63,392,088.85/11,553.09
  6. Step 6: Final answer
    x = 5,487.02

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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.