Home / 11,436.48-17,142-4,868.16

Finding the Fourth Proportional to 11,436.48, 17,142 and 4,868.16

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Solution

The fourth proportional to 11,436.48, 17,142 and 4,868.16 is: 7,296.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,436.48 : 17,142 = 4,868.16 : x
  2. Step 2: Convert to fraction form
    11,436.48/17,142 = 4,868.16/x
  3. Step 3: Cross multiply
    11,436.48x = 17,142 × 4,868.16
  4. Step 4: Simplify right side
    11,436.48x = 83,449,998.72
  5. Step 5: Solve for x
    x = 83,449,998.72/11,436.48
  6. Step 6: Final answer
    x = 7,296.83

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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.