Home / 10,142.96-15,214.43-4,944.38

Finding the Fourth Proportional to 10,142.96, 15,214.43 and 4,944.38

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Solution

The fourth proportional to 10,142.96, 15,214.43 and 4,944.38 is: 7,416.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142.96 : 15,214.43 = 4,944.38 : x
  2. Step 2: Convert to fraction form
    10,142.96/15,214.43 = 4,944.38/x
  3. Step 3: Cross multiply
    10,142.96x = 15,214.43 × 4,944.38
  4. Step 4: Simplify right side
    10,142.96x = 75,225,859.69
  5. Step 5: Solve for x
    x = 75,225,859.69/10,142.96
  6. Step 6: Final answer
    x = 7,416.56

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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.