Home / 11,176.75-15,423.85-6,072.22

Finding the Fourth Proportional to 11,176.75, 15,423.85 and 6,072.22

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Solution

The fourth proportional to 11,176.75, 15,423.85 and 6,072.22 is: 8,379.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.75 : 15,423.85 = 6,072.22 : x
  2. Step 2: Convert to fraction form
    11,176.75/15,423.85 = 6,072.22/x
  3. Step 3: Cross multiply
    11,176.75x = 15,423.85 × 6,072.22
  4. Step 4: Simplify right side
    11,176.75x = 93,657,010.45
  5. Step 5: Solve for x
    x = 93,657,010.45/11,176.75
  6. Step 6: Final answer
    x = 8,379.63

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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.