Home / 11,149.03-16,716.08-5,878.47

Finding the Fourth Proportional to 11,149.03, 16,716.08 and 5,878.47

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Solution

The fourth proportional to 11,149.03, 16,716.08 and 5,878.47 is: 8,813.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.03 : 16,716.08 = 5,878.47 : x
  2. Step 2: Convert to fraction form
    11,149.03/16,716.08 = 5,878.47/x
  3. Step 3: Cross multiply
    11,149.03x = 16,716.08 × 5,878.47
  4. Step 4: Simplify right side
    11,149.03x = 98,265,060.45
  5. Step 5: Solve for x
    x = 98,265,060.45/11,149.03
  6. Step 6: Final answer
    x = 8,813.78

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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.