Home / 11,429.68-17,144.51-4,851.25

Finding the Fourth Proportional to 11,429.68, 17,144.51 and 4,851.25

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Solution

The fourth proportional to 11,429.68, 17,144.51 and 4,851.25 is: 7,276.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,429.68 : 17,144.51 = 4,851.25 : x
  2. Step 2: Convert to fraction form
    11,429.68/17,144.51 = 4,851.25/x
  3. Step 3: Cross multiply
    11,429.68x = 17,144.51 × 4,851.25
  4. Step 4: Simplify right side
    11,429.68x = 83,172,273.40
  5. Step 5: Solve for x
    x = 83,172,273.40/11,429.68
  6. Step 6: Final answer
    x = 7,276.87

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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.