Home / 11,964.60-16,512.45-6,928.74

Finding the Fourth Proportional to 11,964.60, 16,512.45 and 6,928.74

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Solution

The fourth proportional to 11,964.60, 16,512.45 and 6,928.74 is: 9,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.60 : 16,512.45 = 6,928.74 : x
  2. Step 2: Convert to fraction form
    11,964.60/16,512.45 = 6,928.74/x
  3. Step 3: Cross multiply
    11,964.60x = 16,512.45 × 6,928.74
  4. Step 4: Simplify right side
    11,964.60x = 114,410,472.81
  5. Step 5: Solve for x
    x = 114,410,472.81/11,964.60
  6. Step 6: Final answer
    x = 9,562.42

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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.