Home / 11,359.50-15,674.85-6,322.56

Finding the Fourth Proportional to 11,359.50, 15,674.85 and 6,322.56

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Solution

The fourth proportional to 11,359.50, 15,674.85 and 6,322.56 is: 8,724.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,359.50 : 15,674.85 = 6,322.56 : x
  2. Step 2: Convert to fraction form
    11,359.50/15,674.85 = 6,322.56/x
  3. Step 3: Cross multiply
    11,359.50x = 15,674.85 × 6,322.56
  4. Step 4: Simplify right side
    11,359.50x = 99,105,179.62
  5. Step 5: Solve for x
    x = 99,105,179.62/11,359.50
  6. Step 6: Final answer
    x = 8,724.43

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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.