Home / 11,862.55-17,799.36-5,288.05

Finding the Fourth Proportional to 11,862.55, 17,799.36 and 5,288.05

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Solution

The fourth proportional to 11,862.55, 17,799.36 and 5,288.05 is: 7,934.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.55 : 17,799.36 = 5,288.05 : x
  2. Step 2: Convert to fraction form
    11,862.55/17,799.36 = 5,288.05/x
  3. Step 3: Cross multiply
    11,862.55x = 17,799.36 × 5,288.05
  4. Step 4: Simplify right side
    11,862.55x = 94,123,905.65
  5. Step 5: Solve for x
    x = 94,123,905.65/11,862.55
  6. Step 6: Final answer
    x = 7,934.54

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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.