Home / 11,503.91-17,255.82-3,607.02

Finding the Fourth Proportional to 11,503.91, 17,255.82 and 3,607.02

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Solution

The fourth proportional to 11,503.91, 17,255.82 and 3,607.02 is: 5,410.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,503.91 : 17,255.82 = 3,607.02 : x
  2. Step 2: Convert to fraction form
    11,503.91/17,255.82 = 3,607.02/x
  3. Step 3: Cross multiply
    11,503.91x = 17,255.82 × 3,607.02
  4. Step 4: Simplify right side
    11,503.91x = 62,242,087.86
  5. Step 5: Solve for x
    x = 62,242,087.86/11,503.91
  6. Step 6: Final answer
    x = 5,410.52

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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.