Home / 11,939.22-16,475.80-6,633.90

Finding the Fourth Proportional to 11,939.22, 16,475.80 and 6,633.90

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Solution

The fourth proportional to 11,939.22, 16,475.80 and 6,633.90 is: 9,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.22 : 16,475.80 = 6,633.90 : x
  2. Step 2: Convert to fraction form
    11,939.22/16,475.80 = 6,633.90/x
  3. Step 3: Cross multiply
    11,939.22x = 16,475.80 × 6,633.90
  4. Step 4: Simplify right side
    11,939.22x = 109,298,859.10
  5. Step 5: Solve for x
    x = 109,298,859.10/11,939.22
  6. Step 6: Final answer
    x = 9,154.60

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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.