Home / 11,930.90-16,463.07-6,624.68

Finding the Fourth Proportional to 11,930.90, 16,463.07 and 6,624.68

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Solution

The fourth proportional to 11,930.90, 16,463.07 and 6,624.68 is: 9,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.90 : 16,463.07 = 6,624.68 : x
  2. Step 2: Convert to fraction form
    11,930.90/16,463.07 = 6,624.68/x
  3. Step 3: Cross multiply
    11,930.90x = 16,463.07 × 6,624.68
  4. Step 4: Simplify right side
    11,930.90x = 109,062,488.25
  5. Step 5: Solve for x
    x = 109,062,488.25/11,930.90
  6. Step 6: Final answer
    x = 9,141.18

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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.