Home / 10,757.34-16,129.67-6,377.85

Finding the Fourth Proportional to 10,757.34, 16,129.67 and 6,377.85

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Solution

The fourth proportional to 10,757.34, 16,129.67 and 6,377.85 is: 9,563.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,757.34 : 16,129.67 = 6,377.85 : x
  2. Step 2: Convert to fraction form
    10,757.34/16,129.67 = 6,377.85/x
  3. Step 3: Cross multiply
    10,757.34x = 16,129.67 × 6,377.85
  4. Step 4: Simplify right side
    10,757.34x = 102,872,583.92
  5. Step 5: Solve for x
    x = 102,872,583.92/10,757.34
  6. Step 6: Final answer
    x = 9,563.01

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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.