Home / 11,750.46-16,214.34-6,445.23

Finding the Fourth Proportional to 11,750.46, 16,214.34 and 6,445.23

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Solution

The fourth proportional to 11,750.46, 16,214.34 and 6,445.23 is: 8,893.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.46 : 16,214.34 = 6,445.23 : x
  2. Step 2: Convert to fraction form
    11,750.46/16,214.34 = 6,445.23/x
  3. Step 3: Cross multiply
    11,750.46x = 16,214.34 × 6,445.23
  4. Step 4: Simplify right side
    11,750.46x = 104,505,150.60
  5. Step 5: Solve for x
    x = 104,505,150.60/11,750.46
  6. Step 6: Final answer
    x = 8,893.71

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Double scale
Find fourth proportional to 11,751.46, 16,215.72 and 6,446.23
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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.