Home / 10,086.69-15,130.11-3,512.86

Finding the Fourth Proportional to 10,086.69, 15,130.11 and 3,512.86

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Solution

The fourth proportional to 10,086.69, 15,130.11 and 3,512.86 is: 5,269.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086.69 : 15,130.11 = 3,512.86 : x
  2. Step 2: Convert to fraction form
    10,086.69/15,130.11 = 3,512.86/x
  3. Step 3: Cross multiply
    10,086.69x = 15,130.11 × 3,512.86
  4. Step 4: Simplify right side
    10,086.69x = 53,149,958.21
  5. Step 5: Solve for x
    x = 53,149,958.21/10,086.69
  6. Step 6: Final answer
    x = 5,269.32

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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.