Home / 11,733.50-16,192.24-6,428.34

Finding the Fourth Proportional to 11,733.50, 16,192.24 and 6,428.34

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Solution

The fourth proportional to 11,733.50, 16,192.24 and 6,428.34 is: 8,871.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733.50 : 16,192.24 = 6,428.34 : x
  2. Step 2: Convert to fraction form
    11,733.50/16,192.24 = 6,428.34/x
  3. Step 3: Cross multiply
    11,733.50x = 16,192.24 × 6,428.34
  4. Step 4: Simplify right side
    11,733.50x = 104,089,224.08
  5. Step 5: Solve for x
    x = 104,089,224.08/11,733.50
  6. Step 6: Final answer
    x = 8,871.11

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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.