Home / 10,160.55-15,243.12-3,586.78

Finding the Fourth Proportional to 10,160.55, 15,243.12 and 3,586.78

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Solution

The fourth proportional to 10,160.55, 15,243.12 and 3,586.78 is: 5,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.55 : 15,243.12 = 3,586.78 : x
  2. Step 2: Convert to fraction form
    10,160.55/15,243.12 = 3,586.78/x
  3. Step 3: Cross multiply
    10,160.55x = 15,243.12 × 3,586.78
  4. Step 4: Simplify right side
    10,160.55x = 54,673,717.95
  5. Step 5: Solve for x
    x = 54,673,717.95/10,160.55
  6. Step 6: Final answer
    x = 5,380.98

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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.