Home / 10,028.33-13,838.88-5,551.82

Finding the Fourth Proportional to 10,028.33, 13,838.88 and 5,551.82

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Solution

The fourth proportional to 10,028.33, 13,838.88 and 5,551.82 is: 7,661.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,028.33 : 13,838.88 = 5,551.82 : x
  2. Step 2: Convert to fraction form
    10,028.33/13,838.88 = 5,551.82/x
  3. Step 3: Cross multiply
    10,028.33x = 13,838.88 × 5,551.82
  4. Step 4: Simplify right side
    10,028.33x = 76,830,970.76
  5. Step 5: Solve for x
    x = 76,830,970.76/10,028.33
  6. Step 6: Final answer
    x = 7,661.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.