Home / 11,216.71-15,471.10-7,383.73

Finding the Fourth Proportional to 11,216.71, 15,471.10 and 7,383.73

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Solution

The fourth proportional to 11,216.71, 15,471.10 and 7,383.73 is: 10,184.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.71 : 15,471.10 = 7,383.73 : x
  2. Step 2: Convert to fraction form
    11,216.71/15,471.10 = 7,383.73/x
  3. Step 3: Cross multiply
    11,216.71x = 15,471.10 × 7,383.73
  4. Step 4: Simplify right side
    11,216.71x = 114,234,425.20
  5. Step 5: Solve for x
    x = 114,234,425.20/11,216.71
  6. Step 6: Final answer
    x = 10,184.31

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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.