Home / 11,701.76-17,555.70-4,206.07

Finding the Fourth Proportional to 11,701.76, 17,555.70 and 4,206.07

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Solution

The fourth proportional to 11,701.76, 17,555.70 and 4,206.07 is: 6,310.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.76 : 17,555.70 = 4,206.07 : x
  2. Step 2: Convert to fraction form
    11,701.76/17,555.70 = 4,206.07/x
  3. Step 3: Cross multiply
    11,701.76x = 17,555.70 × 4,206.07
  4. Step 4: Simplify right side
    11,701.76x = 73,840,540.82
  5. Step 5: Solve for x
    x = 73,840,540.82/11,701.76
  6. Step 6: Final answer
    x = 6,310.21

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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.