Home / 13,177.31-19,768.37-6,251.75

Finding the Fourth Proportional to 13,177.31, 19,768.37 and 6,251.75

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Solution

The fourth proportional to 13,177.31, 19,768.37 and 6,251.75 is: 9,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.31 : 19,768.37 = 6,251.75 : x
  2. Step 2: Convert to fraction form
    13,177.31/19,768.37 = 6,251.75/x
  3. Step 3: Cross multiply
    13,177.31x = 19,768.37 × 6,251.75
  4. Step 4: Simplify right side
    13,177.31x = 123,586,907.15
  5. Step 5: Solve for x
    x = 123,586,907.15/13,177.31
  6. Step 6: Final answer
    x = 9,378.77

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1.5x scale

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.