Home / 11,417.90-17,126.49-6,769.76

Finding the Fourth Proportional to 11,417.90, 17,126.49 and 6,769.76

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Solution

The fourth proportional to 11,417.90, 17,126.49 and 6,769.76 is: 10,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,417.90 : 17,126.49 = 6,769.76 : x
  2. Step 2: Convert to fraction form
    11,417.90/17,126.49 = 6,769.76/x
  3. Step 3: Cross multiply
    11,417.90x = 17,126.49 × 6,769.76
  4. Step 4: Simplify right side
    11,417.90x = 115,942,226.94
  5. Step 5: Solve for x
    x = 115,942,226.94/11,417.90
  6. Step 6: Final answer
    x = 10,154.43

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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.