Home / 9,021.11-13,531.35-3,177.56

Finding the Fourth Proportional to 9,021.11, 13,531.35 and 3,177.56

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Solution

The fourth proportional to 9,021.11, 13,531.35 and 3,177.56 is: 4,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.11 : 13,531.35 = 3,177.56 : x
  2. Step 2: Convert to fraction form
    9,021.11/13,531.35 = 3,177.56/x
  3. Step 3: Cross multiply
    9,021.11x = 13,531.35 × 3,177.56
  4. Step 4: Simplify right side
    9,021.11x = 42,996,722.25
  5. Step 5: Solve for x
    x = 42,996,722.25/9,021.11
  6. Step 6: Final answer
    x = 4,766.24

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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.