Home / 11,939.10-16,474.68-6,902.52

Finding the Fourth Proportional to 11,939.10, 16,474.68 and 6,902.52

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Solution

The fourth proportional to 11,939.10, 16,474.68 and 6,902.52 is: 9,524.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.10 : 16,474.68 = 6,902.52 : x
  2. Step 2: Convert to fraction form
    11,939.10/16,474.68 = 6,902.52/x
  3. Step 3: Cross multiply
    11,939.10x = 16,474.68 × 6,902.52
  4. Step 4: Simplify right side
    11,939.10x = 113,716,808.19
  5. Step 5: Solve for x
    x = 113,716,808.19/11,939.10
  6. Step 6: Final answer
    x = 9,524.74

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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.