Home / 11,090.92-16,638.40-3,694.68

Finding the Fourth Proportional to 11,090.92, 16,638.40 and 3,694.68

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Solution

The fourth proportional to 11,090.92, 16,638.40 and 3,694.68 is: 5,542.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.92 : 16,638.40 = 3,694.68 : x
  2. Step 2: Convert to fraction form
    11,090.92/16,638.40 = 3,694.68/x
  3. Step 3: Cross multiply
    11,090.92x = 16,638.40 × 3,694.68
  4. Step 4: Simplify right side
    11,090.92x = 61,473,563.71
  5. Step 5: Solve for x
    x = 61,473,563.71/11,090.92
  6. Step 6: Final answer
    x = 5,542.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.