Home / 11,419.38-17,117.73-5,184

Finding the Fourth Proportional to 11,419.38, 17,117.73 and 5,184

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Solution

The fourth proportional to 11,419.38, 17,117.73 and 5,184 is: 7,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.38 : 17,117.73 = 5,184 : x
  2. Step 2: Convert to fraction form
    11,419.38/17,117.73 = 5,184/x
  3. Step 3: Cross multiply
    11,419.38x = 17,117.73 × 5,184
  4. Step 4: Simplify right side
    11,419.38x = 88,738,312.32
  5. Step 5: Solve for x
    x = 88,738,312.32/11,419.38
  6. Step 6: Final answer
    x = 7,770.85

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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.