Home / 10,989.87-15,171.26-6,273.24

Finding the Fourth Proportional to 10,989.87, 15,171.26 and 6,273.24

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Solution

The fourth proportional to 10,989.87, 15,171.26 and 6,273.24 is: 8,660.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.87 : 15,171.26 = 6,273.24 : x
  2. Step 2: Convert to fraction form
    10,989.87/15,171.26 = 6,273.24/x
  3. Step 3: Cross multiply
    10,989.87x = 15,171.26 × 6,273.24
  4. Step 4: Simplify right side
    10,989.87x = 95,172,955.08
  5. Step 5: Solve for x
    x = 95,172,955.08/10,989.87
  6. Step 6: Final answer
    x = 8,660.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.