Home / 35,208-52,815.26-11,515.68

Finding the Fourth Proportional to 35,208, 52,815.26 and 11,515.68

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Solution

The fourth proportional to 35,208, 52,815.26 and 11,515.68 is: 17,274.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,208 : 52,815.26 = 11,515.68 : x
  2. Step 2: Convert to fraction form
    35,208/52,815.26 = 11,515.68/x
  3. Step 3: Cross multiply
    35,208x = 52,815.26 × 11,515.68
  4. Step 4: Simplify right side
    35,208x = 608,203,575.70
  5. Step 5: Solve for x
    x = 608,203,575.70/35,208
  6. Step 6: Final answer
    x = 17,274.58

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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.