Home / 11,928.36-16,463.12-6,624.88

Finding the Fourth Proportional to 11,928.36, 16,463.12 and 6,624.88

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Solution

The fourth proportional to 11,928.36, 16,463.12 and 6,624.88 is: 9,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.36 : 16,463.12 = 6,624.88 : x
  2. Step 2: Convert to fraction form
    11,928.36/16,463.12 = 6,624.88/x
  3. Step 3: Cross multiply
    11,928.36x = 16,463.12 × 6,624.88
  4. Step 4: Simplify right side
    11,928.36x = 109,066,194.43
  5. Step 5: Solve for x
    x = 109,066,194.43/11,928.36
  6. Step 6: Final answer
    x = 9,143.44

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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.