Home / 11,939.15-16,476.18-6,633.97

Finding the Fourth Proportional to 11,939.15, 16,476.18 and 6,633.97

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Solution

The fourth proportional to 11,939.15, 16,476.18 and 6,633.97 is: 9,154.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.15 : 16,476.18 = 6,633.97 : x
  2. Step 2: Convert to fraction form
    11,939.15/16,476.18 = 6,633.97/x
  3. Step 3: Cross multiply
    11,939.15x = 16,476.18 × 6,633.97
  4. Step 4: Simplify right side
    11,939.15x = 109,302,483.83
  5. Step 5: Solve for x
    x = 109,302,483.83/11,939.15
  6. Step 6: Final answer
    x = 9,154.96

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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.