Home / 11,072.19-15,278.72-6,292.11

Finding the Fourth Proportional to 11,072.19, 15,278.72 and 6,292.11

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Solution

The fourth proportional to 11,072.19, 15,278.72 and 6,292.11 is: 8,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.19 : 15,278.72 = 6,292.11 : x
  2. Step 2: Convert to fraction form
    11,072.19/15,278.72 = 6,292.11/x
  3. Step 3: Cross multiply
    11,072.19x = 15,278.72 × 6,292.11
  4. Step 4: Simplify right side
    11,072.19x = 96,135,355.44
  5. Step 5: Solve for x
    x = 96,135,355.44/11,072.19
  6. Step 6: Final answer
    x = 8,682.60

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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.