Home / 10,609.85-15,911.45-3,588.56

Finding the Fourth Proportional to 10,609.85, 15,911.45 and 3,588.56

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Solution

The fourth proportional to 10,609.85, 15,911.45 and 3,588.56 is: 5,381.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609.85 : 15,911.45 = 3,588.56 : x
  2. Step 2: Convert to fraction form
    10,609.85/15,911.45 = 3,588.56/x
  3. Step 3: Cross multiply
    10,609.85x = 15,911.45 × 3,588.56
  4. Step 4: Simplify right side
    10,609.85x = 57,099,184.87
  5. Step 5: Solve for x
    x = 57,099,184.87/10,609.85
  6. Step 6: Final answer
    x = 5,381.71

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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.