Home / 10,609.15-15,909.97-3,110.63

Finding the Fourth Proportional to 10,609.15, 15,909.97 and 3,110.63

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Solution

The fourth proportional to 10,609.15, 15,909.97 and 3,110.63 is: 4,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609.15 : 15,909.97 = 3,110.63 : x
  2. Step 2: Convert to fraction form
    10,609.15/15,909.97 = 3,110.63/x
  3. Step 3: Cross multiply
    10,609.15x = 15,909.97 × 3,110.63
  4. Step 4: Simplify right side
    10,609.15x = 49,489,993.23
  5. Step 5: Solve for x
    x = 49,489,993.23/10,609.15
  6. Step 6: Final answer
    x = 4,664.84

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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.