Home / 11,740.49-16,201.29-6,635.90

Finding the Fourth Proportional to 11,740.49, 16,201.29 and 6,635.90

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Solution

The fourth proportional to 11,740.49, 16,201.29 and 6,635.90 is: 9,157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.49 : 16,201.29 = 6,635.90 : x
  2. Step 2: Convert to fraction form
    11,740.49/16,201.29 = 6,635.90/x
  3. Step 3: Cross multiply
    11,740.49x = 16,201.29 × 6,635.90
  4. Step 4: Simplify right side
    11,740.49x = 107,510,205.70
  5. Step 5: Solve for x
    x = 107,510,205.70/11,740.49
  6. Step 6: Final answer
    x = 9,157.22

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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.