Home / 11,246.06-15,513.42-7,837.68

Finding the Fourth Proportional to 11,246.06, 15,513.42 and 7,837.68

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Solution

The fourth proportional to 11,246.06, 15,513.42 and 7,837.68 is: 10,811.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.06 : 15,513.42 = 7,837.68 : x
  2. Step 2: Convert to fraction form
    11,246.06/15,513.42 = 7,837.68/x
  3. Step 3: Cross multiply
    11,246.06x = 15,513.42 × 7,837.68
  4. Step 4: Simplify right side
    11,246.06x = 121,589,221.67
  5. Step 5: Solve for x
    x = 121,589,221.67/11,246.06
  6. Step 6: Final answer
    x = 10,811.72

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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.