Home / 11,660.48-17,487.07-5,080.04

Finding the Fourth Proportional to 11,660.48, 17,487.07 and 5,080.04

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Solution

The fourth proportional to 11,660.48, 17,487.07 and 5,080.04 is: 7,618.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.48 : 17,487.07 = 5,080.04 : x
  2. Step 2: Convert to fraction form
    11,660.48/17,487.07 = 5,080.04/x
  3. Step 3: Cross multiply
    11,660.48x = 17,487.07 × 5,080.04
  4. Step 4: Simplify right side
    11,660.48x = 88,835,015.08
  5. Step 5: Solve for x
    x = 88,835,015.08/11,660.48
  6. Step 6: Final answer
    x = 7,618.47

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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.