Home / 11,724.48-16,179.84-6,756.48

Finding the Fourth Proportional to 11,724.48, 16,179.84 and 6,756.48

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Solution

The fourth proportional to 11,724.48, 16,179.84 and 6,756.48 is: 9,323.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.48 : 16,179.84 = 6,756.48 : x
  2. Step 2: Convert to fraction form
    11,724.48/16,179.84 = 6,756.48/x
  3. Step 3: Cross multiply
    11,724.48x = 16,179.84 × 6,756.48
  4. Step 4: Simplify right side
    11,724.48x = 109,318,765.36
  5. Step 5: Solve for x
    x = 109,318,765.36/11,724.48
  6. Step 6: Final answer
    x = 9,323.98

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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.