Home / 10,575.33-15,865.26-3,179.17

Finding the Fourth Proportional to 10,575.33, 15,865.26 and 3,179.17

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Solution

The fourth proportional to 10,575.33, 15,865.26 and 3,179.17 is: 4,769.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575.33 : 15,865.26 = 3,179.17 : x
  2. Step 2: Convert to fraction form
    10,575.33/15,865.26 = 3,179.17/x
  3. Step 3: Cross multiply
    10,575.33x = 15,865.26 × 3,179.17
  4. Step 4: Simplify right side
    10,575.33x = 50,438,358.63
  5. Step 5: Solve for x
    x = 50,438,358.63/10,575.33
  6. Step 6: Final answer
    x = 4,769.44

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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.