Home / 11,155.68-16,729.29-3,657.48

Finding the Fourth Proportional to 11,155.68, 16,729.29 and 3,657.48

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Solution

The fourth proportional to 11,155.68, 16,729.29 and 3,657.48 is: 5,484.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.68 : 16,729.29 = 3,657.48 : x
  2. Step 2: Convert to fraction form
    11,155.68/16,729.29 = 3,657.48/x
  3. Step 3: Cross multiply
    11,155.68x = 16,729.29 × 3,657.48
  4. Step 4: Simplify right side
    11,155.68x = 61,187,043.59
  5. Step 5: Solve for x
    x = 61,187,043.59/11,155.68
  6. Step 6: Final answer
    x = 5,484.83

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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.