Home / 9,939.24-13,715.60-5,958.36

Finding the Fourth Proportional to 9,939.24, 13,715.60 and 5,958.36

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Solution

The fourth proportional to 9,939.24, 13,715.60 and 5,958.36 is: 8,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.24 : 13,715.60 = 5,958.36 : x
  2. Step 2: Convert to fraction form
    9,939.24/13,715.60 = 5,958.36/x
  3. Step 3: Cross multiply
    9,939.24x = 13,715.60 × 5,958.36
  4. Step 4: Simplify right side
    9,939.24x = 81,722,452.62
  5. Step 5: Solve for x
    x = 81,722,452.62/9,939.24
  6. Step 6: Final answer
    x = 8,222.20

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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.