Home / 10,926.38-15,078.40-5,958.38

Finding the Fourth Proportional to 10,926.38, 15,078.40 and 5,958.38

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Solution

The fourth proportional to 10,926.38, 15,078.40 and 5,958.38 is: 8,222.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.38 : 15,078.40 = 5,958.38 : x
  2. Step 2: Convert to fraction form
    10,926.38/15,078.40 = 5,958.38/x
  3. Step 3: Cross multiply
    10,926.38x = 15,078.40 × 5,958.38
  4. Step 4: Simplify right side
    10,926.38x = 89,842,836.99
  5. Step 5: Solve for x
    x = 89,842,836.99/10,926.38
  6. Step 6: Final answer
    x = 8,222.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.