Home / 10,879.08-15,012.56-6,163.06

Finding the Fourth Proportional to 10,879.08, 15,012.56 and 6,163.06

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Solution

The fourth proportional to 10,879.08, 15,012.56 and 6,163.06 is: 8,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.08 : 15,012.56 = 6,163.06 : x
  2. Step 2: Convert to fraction form
    10,879.08/15,012.56 = 6,163.06/x
  3. Step 3: Cross multiply
    10,879.08x = 15,012.56 × 6,163.06
  4. Step 4: Simplify right side
    10,879.08x = 92,523,308.03
  5. Step 5: Solve for x
    x = 92,523,308.03/10,879.08
  6. Step 6: Final answer
    x = 8,504.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.