Home / 12,504.06-17,255.70-7,198.56

Finding the Fourth Proportional to 12,504.06, 17,255.70 and 7,198.56

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Solution

The fourth proportional to 12,504.06, 17,255.70 and 7,198.56 is: 9,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.06 : 17,255.70 = 7,198.56 : x
  2. Step 2: Convert to fraction form
    12,504.06/17,255.70 = 7,198.56/x
  3. Step 3: Cross multiply
    12,504.06x = 17,255.70 × 7,198.56
  4. Step 4: Simplify right side
    12,504.06x = 124,216,191.79
  5. Step 5: Solve for x
    x = 124,216,191.79/12,504.06
  6. Step 6: Final answer
    x = 9,934.07

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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.