Home / 11,154.24-16,731.46-3,657.69

Finding the Fourth Proportional to 11,154.24, 16,731.46 and 3,657.69

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Solution

The fourth proportional to 11,154.24, 16,731.46 and 3,657.69 is: 5,486.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.24 : 16,731.46 = 3,657.69 : x
  2. Step 2: Convert to fraction form
    11,154.24/16,731.46 = 3,657.69/x
  3. Step 3: Cross multiply
    11,154.24x = 16,731.46 × 3,657.69
  4. Step 4: Simplify right side
    11,154.24x = 61,198,498.50
  5. Step 5: Solve for x
    x = 61,198,498.50/11,154.24
  6. Step 6: Final answer
    x = 5,486.57

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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.