Home / 11,108.61-15,329.54-6,072.66

Finding the Fourth Proportional to 11,108.61, 15,329.54 and 6,072.66

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Solution

The fourth proportional to 11,108.61, 15,329.54 and 6,072.66 is: 8,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.61 : 15,329.54 = 6,072.66 : x
  2. Step 2: Convert to fraction form
    11,108.61/15,329.54 = 6,072.66/x
  3. Step 3: Cross multiply
    11,108.61x = 15,329.54 × 6,072.66
  4. Step 4: Simplify right side
    11,108.61x = 93,091,099.56
  5. Step 5: Solve for x
    x = 93,091,099.56/11,108.61
  6. Step 6: Final answer
    x = 8,380.09

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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.