Home / 13,246.06-18,279.49-7,196.25

Finding the Fourth Proportional to 13,246.06, 18,279.49 and 7,196.25

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Solution

The fourth proportional to 13,246.06, 18,279.49 and 7,196.25 is: 9,930.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.06 : 18,279.49 = 7,196.25 : x
  2. Step 2: Convert to fraction form
    13,246.06/18,279.49 = 7,196.25/x
  3. Step 3: Cross multiply
    13,246.06x = 18,279.49 × 7,196.25
  4. Step 4: Simplify right side
    13,246.06x = 131,543,743.93
  5. Step 5: Solve for x
    x = 131,543,743.93/13,246.06
  6. Step 6: Final answer
    x = 9,930.79

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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.