Home / 11,254.23-16,879.56-7,081.46

Finding the Fourth Proportional to 11,254.23, 16,879.56 and 7,081.46

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Solution

The fourth proportional to 11,254.23, 16,879.56 and 7,081.46 is: 10,621.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.23 : 16,879.56 = 7,081.46 : x
  2. Step 2: Convert to fraction form
    11,254.23/16,879.56 = 7,081.46/x
  3. Step 3: Cross multiply
    11,254.23x = 16,879.56 × 7,081.46
  4. Step 4: Simplify right side
    11,254.23x = 119,531,928.96
  5. Step 5: Solve for x
    x = 119,531,928.96/11,254.23
  6. Step 6: Final answer
    x = 10,621.07

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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.