Home / 11,261.68-16,880.00-5,707.16

Finding the Fourth Proportional to 11,261.68, 16,880.00 and 5,707.16

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Solution

The fourth proportional to 11,261.68, 16,880.00 and 5,707.16 is: 8,554.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.68 : 16,880.00 = 5,707.16 : x
  2. Step 2: Convert to fraction form
    11,261.68/16,880.00 = 5,707.16/x
  3. Step 3: Cross multiply
    11,261.68x = 16,880.00 × 5,707.16
  4. Step 4: Simplify right side
    11,261.68x = 96,336,811.16
  5. Step 5: Solve for x
    x = 96,336,811.16/11,261.68
  6. Step 6: Final answer
    x = 8,554.39

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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.