Home / 11,108.39-15,329.61-6,072.67

Finding the Fourth Proportional to 11,108.39, 15,329.61 and 6,072.67

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Solution

The fourth proportional to 11,108.39, 15,329.61 and 6,072.67 is: 8,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.39 : 15,329.61 = 6,072.67 : x
  2. Step 2: Convert to fraction form
    11,108.39/15,329.61 = 6,072.67/x
  3. Step 3: Cross multiply
    11,108.39x = 15,329.61 × 6,072.67
  4. Step 4: Simplify right side
    11,108.39x = 93,091,601.66
  5. Step 5: Solve for x
    x = 93,091,601.66/11,108.39
  6. Step 6: Final answer
    x = 8,380.30

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Double scale
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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.