Home / 11,078.62-15,288.50-6,110.62

Finding the Fourth Proportional to 11,078.62, 15,288.50 and 6,110.62

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Solution

The fourth proportional to 11,078.62, 15,288.50 and 6,110.62 is: 8,432.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.62 : 15,288.50 = 6,110.62 : x
  2. Step 2: Convert to fraction form
    11,078.62/15,288.50 = 6,110.62/x
  3. Step 3: Cross multiply
    11,078.62x = 15,288.50 × 6,110.62
  4. Step 4: Simplify right side
    11,078.62x = 93,422,213.87
  5. Step 5: Solve for x
    x = 93,422,213.87/11,078.62
  6. Step 6: Final answer
    x = 8,432.66

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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.