Home / 12,375.14-17,077.70-6,709.89

Finding the Fourth Proportional to 12,375.14, 17,077.70 and 6,709.89

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Solution

The fourth proportional to 12,375.14, 17,077.70 and 6,709.89 is: 9,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.14 : 17,077.70 = 6,709.89 : x
  2. Step 2: Convert to fraction form
    12,375.14/17,077.70 = 6,709.89/x
  3. Step 3: Cross multiply
    12,375.14x = 17,077.70 × 6,709.89
  4. Step 4: Simplify right side
    12,375.14x = 114,589,488.45
  5. Step 5: Solve for x
    x = 114,589,488.45/12,375.14
  6. Step 6: Final answer
    x = 9,259.65

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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.