Home / 11,934.05-17,903.12-4,917.87

Finding the Fourth Proportional to 11,934.05, 17,903.12 and 4,917.87

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Solution

The fourth proportional to 11,934.05, 17,903.12 and 4,917.87 is: 7,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.05 : 17,903.12 = 4,917.87 : x
  2. Step 2: Convert to fraction form
    11,934.05/17,903.12 = 4,917.87/x
  3. Step 3: Cross multiply
    11,934.05x = 17,903.12 × 4,917.87
  4. Step 4: Simplify right side
    11,934.05x = 88,045,192.17
  5. Step 5: Solve for x
    x = 88,045,192.17/11,934.05
  6. Step 6: Final answer
    x = 7,377.65

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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.