Home / 11,114.84-15,338.32-6,078.96

Finding the Fourth Proportional to 11,114.84, 15,338.32 and 6,078.96

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Solution

The fourth proportional to 11,114.84, 15,338.32 and 6,078.96 is: 8,388.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.84 : 15,338.32 = 6,078.96 : x
  2. Step 2: Convert to fraction form
    11,114.84/15,338.32 = 6,078.96/x
  3. Step 3: Cross multiply
    11,114.84x = 15,338.32 × 6,078.96
  4. Step 4: Simplify right side
    11,114.84x = 93,241,033.75
  5. Step 5: Solve for x
    x = 93,241,033.75/11,114.84
  6. Step 6: Final answer
    x = 8,388.88

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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.