Home / 11,796.17-16,278.37-6,490.87

Finding the Fourth Proportional to 11,796.17, 16,278.37 and 6,490.87

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Solution

The fourth proportional to 11,796.17, 16,278.37 and 6,490.87 is: 8,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,796.17 : 16,278.37 = 6,490.87 : x
  2. Step 2: Convert to fraction form
    11,796.17/16,278.37 = 6,490.87/x
  3. Step 3: Cross multiply
    11,796.17x = 16,278.37 × 6,490.87
  4. Step 4: Simplify right side
    11,796.17x = 105,660,726.56
  5. Step 5: Solve for x
    x = 105,660,726.56/11,796.17
  6. Step 6: Final answer
    x = 8,957.21

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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.