Home / 11,278.37-15,571.24-7,246.83

Finding the Fourth Proportional to 11,278.37, 15,571.24 and 7,246.83

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Solution

The fourth proportional to 11,278.37, 15,571.24 and 7,246.83 is: 10,005.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.37 : 15,571.24 = 7,246.83 : x
  2. Step 2: Convert to fraction form
    11,278.37/15,571.24 = 7,246.83/x
  3. Step 3: Cross multiply
    11,278.37x = 15,571.24 × 7,246.83
  4. Step 4: Simplify right side
    11,278.37x = 112,842,169.44
  5. Step 5: Solve for x
    x = 112,842,169.44/11,278.37
  6. Step 6: Final answer
    x = 10,005.18

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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.