Home / 11,213.75-15,474.98-6,500.77

Finding the Fourth Proportional to 11,213.75, 15,474.98 and 6,500.77

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Solution

The fourth proportional to 11,213.75, 15,474.98 and 6,500.77 is: 8,971.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.75 : 15,474.98 = 6,500.77 : x
  2. Step 2: Convert to fraction form
    11,213.75/15,474.98 = 6,500.77/x
  3. Step 3: Cross multiply
    11,213.75x = 15,474.98 × 6,500.77
  4. Step 4: Simplify right side
    11,213.75x = 100,599,175.86
  5. Step 5: Solve for x
    x = 100,599,175.86/11,213.75
  6. Step 6: Final answer
    x = 8,971.06

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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.