Home / 11,708.24-16,157.39-6,403.05

Finding the Fourth Proportional to 11,708.24, 16,157.39 and 6,403.05

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Solution

The fourth proportional to 11,708.24, 16,157.39 and 6,403.05 is: 8,836.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.24 : 16,157.39 = 6,403.05 : x
  2. Step 2: Convert to fraction form
    11,708.24/16,157.39 = 6,403.05/x
  3. Step 3: Cross multiply
    11,708.24x = 16,157.39 × 6,403.05
  4. Step 4: Simplify right side
    11,708.24x = 103,456,544.02
  5. Step 5: Solve for x
    x = 103,456,544.02/11,708.24
  6. Step 6: Final answer
    x = 8,836.22

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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.