Home / 11,114.41-15,337.67-6,078.61

Finding the Fourth Proportional to 11,114.41, 15,337.67 and 6,078.61

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Solution

The fourth proportional to 11,114.41, 15,337.67 and 6,078.61 is: 8,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.41 : 15,337.67 = 6,078.61 : x
  2. Step 2: Convert to fraction form
    11,114.41/15,337.67 = 6,078.61/x
  3. Step 3: Cross multiply
    11,114.41x = 15,337.67 × 6,078.61
  4. Step 4: Simplify right side
    11,114.41x = 93,231,711.57
  5. Step 5: Solve for x
    x = 93,231,711.57/11,114.41
  6. Step 6: Final answer
    x = 8,388.37

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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.