Home / 11,505.60-17,255.97-3,710.16

Finding the Fourth Proportional to 11,505.60, 17,255.97 and 3,710.16

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Solution

The fourth proportional to 11,505.60, 17,255.97 and 3,710.16 is: 5,564.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.60 : 17,255.97 = 3,710.16 : x
  2. Step 2: Convert to fraction form
    11,505.60/17,255.97 = 3,710.16/x
  3. Step 3: Cross multiply
    11,505.60x = 17,255.97 × 3,710.16
  4. Step 4: Simplify right side
    11,505.60x = 64,022,409.66
  5. Step 5: Solve for x
    x = 64,022,409.66/11,505.60
  6. Step 6: Final answer
    x = 5,564.46

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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.