Home / 11,703.49-17,555.19-3,812.56

Finding the Fourth Proportional to 11,703.49, 17,555.19 and 3,812.56

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Solution

The fourth proportional to 11,703.49, 17,555.19 and 3,812.56 is: 5,718.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.49 : 17,555.19 = 3,812.56 : x
  2. Step 2: Convert to fraction form
    11,703.49/17,555.19 = 3,812.56/x
  3. Step 3: Cross multiply
    11,703.49x = 17,555.19 × 3,812.56
  4. Step 4: Simplify right side
    11,703.49x = 66,930,215.19
  5. Step 5: Solve for x
    x = 66,930,215.19/11,703.49
  6. Step 6: Final answer
    x = 5,718.83

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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.