Home / 7,609.91-11,416.68-2,415.79

Finding the Fourth Proportional to 7,609.91, 11,416.68 and 2,415.79

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Solution

The fourth proportional to 7,609.91, 11,416.68 and 2,415.79 is: 3,624.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.91 : 11,416.68 = 2,415.79 : x
  2. Step 2: Convert to fraction form
    7,609.91/11,416.68 = 2,415.79/x
  3. Step 3: Cross multiply
    7,609.91x = 11,416.68 × 2,415.79
  4. Step 4: Simplify right side
    7,609.91x = 27,580,301.38
  5. Step 5: Solve for x
    x = 27,580,301.38/7,609.91
  6. Step 6: Final answer
    x = 3,624.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.