Home / 8,569.46-12,849.42-2,644.67

Finding the Fourth Proportional to 8,569.46, 12,849.42 and 2,644.67

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Solution

The fourth proportional to 8,569.46, 12,849.42 and 2,644.67 is: 3,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.46 : 12,849.42 = 2,644.67 : x
  2. Step 2: Convert to fraction form
    8,569.46/12,849.42 = 2,644.67/x
  3. Step 3: Cross multiply
    8,569.46x = 12,849.42 × 2,644.67
  4. Step 4: Simplify right side
    8,569.46x = 33,982,475.59
  5. Step 5: Solve for x
    x = 33,982,475.59/8,569.46
  6. Step 6: Final answer
    x = 3,965.53

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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.