Home / 11,733.06-16,191.72-6,428.37

Finding the Fourth Proportional to 11,733.06, 16,191.72 and 6,428.37

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Solution

The fourth proportional to 11,733.06, 16,191.72 and 6,428.37 is: 8,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733.06 : 16,191.72 = 6,428.37 : x
  2. Step 2: Convert to fraction form
    11,733.06/16,191.72 = 6,428.37/x
  3. Step 3: Cross multiply
    11,733.06x = 16,191.72 × 6,428.37
  4. Step 4: Simplify right side
    11,733.06x = 104,086,367.10
  5. Step 5: Solve for x
    x = 104,086,367.10/11,733.06
  6. Step 6: Final answer
    x = 8,871.20

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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.