Home / 11,711.05-16,164.45-6,677.92

Finding the Fourth Proportional to 11,711.05, 16,164.45 and 6,677.92

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Solution

The fourth proportional to 11,711.05, 16,164.45 and 6,677.92 is: 9,217.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.05 : 16,164.45 = 6,677.92 : x
  2. Step 2: Convert to fraction form
    11,711.05/16,164.45 = 6,677.92/x
  3. Step 3: Cross multiply
    11,711.05x = 16,164.45 × 6,677.92
  4. Step 4: Simplify right side
    11,711.05x = 107,944,903.94
  5. Step 5: Solve for x
    x = 107,944,903.94/11,711.05
  6. Step 6: Final answer
    x = 9,217.35

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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.