Home / 11,093.25-15,309.65-6,126.21

Finding the Fourth Proportional to 11,093.25, 15,309.65 and 6,126.21

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Solution

The fourth proportional to 11,093.25, 15,309.65 and 6,126.21 is: 8,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,093.25 : 15,309.65 = 6,126.21 : x
  2. Step 2: Convert to fraction form
    11,093.25/15,309.65 = 6,126.21/x
  3. Step 3: Cross multiply
    11,093.25x = 15,309.65 × 6,126.21
  4. Step 4: Simplify right side
    11,093.25x = 93,790,130.93
  5. Step 5: Solve for x
    x = 93,790,130.93/11,093.25
  6. Step 6: Final answer
    x = 8,454.70

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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.