Home / 11,740.25-16,201.70-6,434.96

Finding the Fourth Proportional to 11,740.25, 16,201.70 and 6,434.96

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Solution

The fourth proportional to 11,740.25, 16,201.70 and 6,434.96 is: 8,880.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.25 : 16,201.70 = 6,434.96 : x
  2. Step 2: Convert to fraction form
    11,740.25/16,201.70 = 6,434.96/x
  3. Step 3: Cross multiply
    11,740.25x = 16,201.70 × 6,434.96
  4. Step 4: Simplify right side
    11,740.25x = 104,257,202.38
  5. Step 5: Solve for x
    x = 104,257,202.38/11,740.25
  6. Step 6: Final answer
    x = 8,880.32

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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.