Home / 10,804.94-16,191.21-8,336.06

Finding the Fourth Proportional to 10,804.94, 16,191.21 and 8,336.06

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Solution

The fourth proportional to 10,804.94, 16,191.21 and 8,336.06 is: 12,491.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,804.94 : 16,191.21 = 8,336.06 : x
  2. Step 2: Convert to fraction form
    10,804.94/16,191.21 = 8,336.06/x
  3. Step 3: Cross multiply
    10,804.94x = 16,191.21 × 8,336.06
  4. Step 4: Simplify right side
    10,804.94x = 134,970,898.03
  5. Step 5: Solve for x
    x = 134,970,898.03/10,804.94
  6. Step 6: Final answer
    x = 12,491.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.