Home / 11,930.08-16,463.91-6,624.40

Finding the Fourth Proportional to 11,930.08, 16,463.91 and 6,624.40

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Solution

The fourth proportional to 11,930.08, 16,463.91 and 6,624.40 is: 9,141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.08 : 16,463.91 = 6,624.40 : x
  2. Step 2: Convert to fraction form
    11,930.08/16,463.91 = 6,624.40/x
  3. Step 3: Cross multiply
    11,930.08x = 16,463.91 × 6,624.40
  4. Step 4: Simplify right side
    11,930.08x = 109,063,525.40
  5. Step 5: Solve for x
    x = 109,063,525.40/11,930.08
  6. Step 6: Final answer
    x = 9,141.89

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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.