Home / 7,927.28-11,945.44-6,571.08

Finding the Fourth Proportional to 7,927.28, 11,945.44 and 6,571.08

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Solution

The fourth proportional to 7,927.28, 11,945.44 and 6,571.08 is: 9,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.28 : 11,945.44 = 6,571.08 : x
  2. Step 2: Convert to fraction form
    7,927.28/11,945.44 = 6,571.08/x
  3. Step 3: Cross multiply
    7,927.28x = 11,945.44 × 6,571.08
  4. Step 4: Simplify right side
    7,927.28x = 78,494,441.88
  5. Step 5: Solve for x
    x = 78,494,441.88/7,927.28
  6. Step 6: Final answer
    x = 9,901.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.