Home / 11,749.87-16,214.70-6,444.73

Finding the Fourth Proportional to 11,749.87, 16,214.70 and 6,444.73

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Solution

The fourth proportional to 11,749.87, 16,214.70 and 6,444.73 is: 8,893.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.87 : 16,214.70 = 6,444.73 : x
  2. Step 2: Convert to fraction form
    11,749.87/16,214.70 = 6,444.73/x
  3. Step 3: Cross multiply
    11,749.87x = 16,214.70 × 6,444.73
  4. Step 4: Simplify right side
    11,749.87x = 104,499,363.53
  5. Step 5: Solve for x
    x = 104,499,363.53/11,749.87
  6. Step 6: Final answer
    x = 8,893.66

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Double scale
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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.