Home / 11,318.24-16,977-4,654.48

Finding the Fourth Proportional to 11,318.24, 16,977 and 4,654.48

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Solution

The fourth proportional to 11,318.24, 16,977 and 4,654.48 is: 6,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.24 : 16,977 = 4,654.48 : x
  2. Step 2: Convert to fraction form
    11,318.24/16,977 = 4,654.48/x
  3. Step 3: Cross multiply
    11,318.24x = 16,977 × 4,654.48
  4. Step 4: Simplify right side
    11,318.24x = 79,019,106.96
  5. Step 5: Solve for x
    x = 79,019,106.96/11,318.24
  6. Step 6: Final answer
    x = 6,981.57

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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.