Home / 11,733.78-16,192.83-6,428.27

Finding the Fourth Proportional to 11,733.78, 16,192.83 and 6,428.27

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Solution

The fourth proportional to 11,733.78, 16,192.83 and 6,428.27 is: 8,871.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733.78 : 16,192.83 = 6,428.27 : x
  2. Step 2: Convert to fraction form
    11,733.78/16,192.83 = 6,428.27/x
  3. Step 3: Cross multiply
    11,733.78x = 16,192.83 × 6,428.27
  4. Step 4: Simplify right side
    11,733.78x = 104,091,802.34
  5. Step 5: Solve for x
    x = 104,091,802.34/11,733.78
  6. Step 6: Final answer
    x = 8,871.12

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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.