Home / 11,157.13-16,730.83-3,760.21

Finding the Fourth Proportional to 11,157.13, 16,730.83 and 3,760.21

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Solution

The fourth proportional to 11,157.13, 16,730.83 and 3,760.21 is: 5,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.13 : 16,730.83 = 3,760.21 : x
  2. Step 2: Convert to fraction form
    11,157.13/16,730.83 = 3,760.21/x
  3. Step 3: Cross multiply
    11,157.13x = 16,730.83 × 3,760.21
  4. Step 4: Simplify right side
    11,157.13x = 62,911,434.27
  5. Step 5: Solve for x
    x = 62,911,434.27/11,157.13
  6. Step 6: Final answer
    x = 5,638.68

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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.