Home / 11,733.75-16,192.58-6,428.77

Finding the Fourth Proportional to 11,733.75, 16,192.58 and 6,428.77

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Solution

The fourth proportional to 11,733.75, 16,192.58 and 6,428.77 is: 8,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733.75 : 16,192.58 = 6,428.77 : x
  2. Step 2: Convert to fraction form
    11,733.75/16,192.58 = 6,428.77/x
  3. Step 3: Cross multiply
    11,733.75x = 16,192.58 × 6,428.77
  4. Step 4: Simplify right side
    11,733.75x = 104,098,299.90
  5. Step 5: Solve for x
    x = 104,098,299.90/11,733.75
  6. Step 6: Final answer
    x = 8,871.70

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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.