Home / 11,677.86-17,516.60-5,434.38

Finding the Fourth Proportional to 11,677.86, 17,516.60 and 5,434.38

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Solution

The fourth proportional to 11,677.86, 17,516.60 and 5,434.38 is: 8,151.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.86 : 17,516.60 = 5,434.38 : x
  2. Step 2: Convert to fraction form
    11,677.86/17,516.60 = 5,434.38/x
  3. Step 3: Cross multiply
    11,677.86x = 17,516.60 × 5,434.38
  4. Step 4: Simplify right side
    11,677.86x = 95,191,853.92
  5. Step 5: Solve for x
    x = 95,191,853.92/11,677.86
  6. Step 6: Final answer
    x = 8,151.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.