Home / 11,706.35-17,559.54-4,780.85

Finding the Fourth Proportional to 11,706.35, 17,559.54 and 4,780.85

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Solution

The fourth proportional to 11,706.35, 17,559.54 and 4,780.85 is: 7,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,706.35 : 17,559.54 = 4,780.85 : x
  2. Step 2: Convert to fraction form
    11,706.35/17,559.54 = 4,780.85/x
  3. Step 3: Cross multiply
    11,706.35x = 17,559.54 × 4,780.85
  4. Step 4: Simplify right side
    11,706.35x = 83,949,415.11
  5. Step 5: Solve for x
    x = 83,949,415.11/11,706.35
  6. Step 6: Final answer
    x = 7,171.27

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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.