Home / 11,930.13-16,464.13-6,624.97

Finding the Fourth Proportional to 11,930.13, 16,464.13 and 6,624.97

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Solution

The fourth proportional to 11,930.13, 16,464.13 and 6,624.97 is: 9,142.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.13 : 16,464.13 = 6,624.97 : x
  2. Step 2: Convert to fraction form
    11,930.13/16,464.13 = 6,624.97/x
  3. Step 3: Cross multiply
    11,930.13x = 16,464.13 × 6,624.97
  4. Step 4: Simplify right side
    11,930.13x = 109,074,309.60
  5. Step 5: Solve for x
    x = 109,074,309.60/11,930.13
  6. Step 6: Final answer
    x = 9,142.76

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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.