Home / 11,213.94-15,477.98-6,500.96

Finding the Fourth Proportional to 11,213.94, 15,477.98 and 6,500.96

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Solution

The fourth proportional to 11,213.94, 15,477.98 and 6,500.96 is: 8,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.94 : 15,477.98 = 6,500.96 : x
  2. Step 2: Convert to fraction form
    11,213.94/15,477.98 = 6,500.96/x
  3. Step 3: Cross multiply
    11,213.94x = 15,477.98 × 6,500.96
  4. Step 4: Simplify right side
    11,213.94x = 100,621,728.86
  5. Step 5: Solve for x
    x = 100,621,728.86/11,213.94
  6. Step 6: Final answer
    x = 8,972.91

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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.