Home / 10,879.87-16,316.35-6,713.64

Finding the Fourth Proportional to 10,879.87, 16,316.35 and 6,713.64

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Solution

The fourth proportional to 10,879.87, 16,316.35 and 6,713.64 is: 10,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.87 : 16,316.35 = 6,713.64 : x
  2. Step 2: Convert to fraction form
    10,879.87/16,316.35 = 6,713.64/x
  3. Step 3: Cross multiply
    10,879.87x = 16,316.35 × 6,713.64
  4. Step 4: Simplify right side
    10,879.87x = 109,542,100.01
  5. Step 5: Solve for x
    x = 109,542,100.01/10,879.87
  6. Step 6: Final answer
    x = 10,068.33

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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.