Home / 11,862.54-17,795.88-5,288.58

Finding the Fourth Proportional to 11,862.54, 17,795.88 and 5,288.58

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Solution

The fourth proportional to 11,862.54, 17,795.88 and 5,288.58 is: 7,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.54 : 17,795.88 = 5,288.58 : x
  2. Step 2: Convert to fraction form
    11,862.54/17,795.88 = 5,288.58/x
  3. Step 3: Cross multiply
    11,862.54x = 17,795.88 × 5,288.58
  4. Step 4: Simplify right side
    11,862.54x = 94,114,935.05
  5. Step 5: Solve for x
    x = 94,114,935.05/11,862.54
  6. Step 6: Final answer
    x = 7,933.79

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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.