Home / 8,836.24-12,192.82-5,477.82

Finding the Fourth Proportional to 8,836.24, 12,192.82 and 5,477.82

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Solution

The fourth proportional to 8,836.24, 12,192.82 and 5,477.82 is: 7,558.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.24 : 12,192.82 = 5,477.82 : x
  2. Step 2: Convert to fraction form
    8,836.24/12,192.82 = 5,477.82/x
  3. Step 3: Cross multiply
    8,836.24x = 12,192.82 × 5,477.82
  4. Step 4: Simplify right side
    8,836.24x = 66,790,117.43
  5. Step 5: Solve for x
    x = 66,790,117.43/8,836.24
  6. Step 6: Final answer
    x = 7,558.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.