Home / 10,979.54-16,471.38-4,406.24

Finding the Fourth Proportional to 10,979.54, 16,471.38 and 4,406.24

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Solution

The fourth proportional to 10,979.54, 16,471.38 and 4,406.24 is: 6,610.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.54 : 16,471.38 = 4,406.24 : x
  2. Step 2: Convert to fraction form
    10,979.54/16,471.38 = 4,406.24/x
  3. Step 3: Cross multiply
    10,979.54x = 16,471.38 × 4,406.24
  4. Step 4: Simplify right side
    10,979.54x = 72,576,771.05
  5. Step 5: Solve for x
    x = 72,576,771.05/10,979.54
  6. Step 6: Final answer
    x = 6,610.19

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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.