Home / 11,772.77-17,650.59-5,529.57

Finding the Fourth Proportional to 11,772.77, 17,650.59 and 5,529.57

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Solution

The fourth proportional to 11,772.77, 17,650.59 and 5,529.57 is: 8,290.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772.77 : 17,650.59 = 5,529.57 : x
  2. Step 2: Convert to fraction form
    11,772.77/17,650.59 = 5,529.57/x
  3. Step 3: Cross multiply
    11,772.77x = 17,650.59 × 5,529.57
  4. Step 4: Simplify right side
    11,772.77x = 97,600,172.95
  5. Step 5: Solve for x
    x = 97,600,172.95/11,772.77
  6. Step 6: Final answer
    x = 8,290.33

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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.