Home / 11,740.05-16,201.89-6,435.09

Finding the Fourth Proportional to 11,740.05, 16,201.89 and 6,435.09

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Solution

The fourth proportional to 11,740.05, 16,201.89 and 6,435.09 is: 8,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.05 : 16,201.89 = 6,435.09 : x
  2. Step 2: Convert to fraction form
    11,740.05/16,201.89 = 6,435.09/x
  3. Step 3: Cross multiply
    11,740.05x = 16,201.89 × 6,435.09
  4. Step 4: Simplify right side
    11,740.05x = 104,260,620.32
  5. Step 5: Solve for x
    x = 104,260,620.32/11,740.05
  6. Step 6: Final answer
    x = 8,880.76

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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.