Home / 11,636.20-16,057.47-6,330.70

Finding the Fourth Proportional to 11,636.20, 16,057.47 and 6,330.70

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Solution

The fourth proportional to 11,636.20, 16,057.47 and 6,330.70 is: 8,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,636.20 : 16,057.47 = 6,330.70 : x
  2. Step 2: Convert to fraction form
    11,636.20/16,057.47 = 6,330.70/x
  3. Step 3: Cross multiply
    11,636.20x = 16,057.47 × 6,330.70
  4. Step 4: Simplify right side
    11,636.20x = 101,655,025.33
  5. Step 5: Solve for x
    x = 101,655,025.33/11,636.20
  6. Step 6: Final answer
    x = 8,736.10

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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.