Home / 8,922.24-12,313.56-5,196

Finding the Fourth Proportional to 8,922.24, 12,313.56 and 5,196

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Solution

The fourth proportional to 8,922.24, 12,313.56 and 5,196 is: 7,170.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.24 : 12,313.56 = 5,196 : x
  2. Step 2: Convert to fraction form
    8,922.24/12,313.56 = 5,196/x
  3. Step 3: Cross multiply
    8,922.24x = 12,313.56 × 5,196
  4. Step 4: Simplify right side
    8,922.24x = 63,981,257.76
  5. Step 5: Solve for x
    x = 63,981,257.76/8,922.24
  6. Step 6: Final answer
    x = 7,170.99

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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.