Home / 11,091.41-15,305.49-6,375.70

Finding the Fourth Proportional to 11,091.41, 15,305.49 and 6,375.70

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Solution

The fourth proportional to 11,091.41, 15,305.49 and 6,375.70 is: 8,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.41 : 15,305.49 = 6,375.70 : x
  2. Step 2: Convert to fraction form
    11,091.41/15,305.49 = 6,375.70/x
  3. Step 3: Cross multiply
    11,091.41x = 15,305.49 × 6,375.70
  4. Step 4: Simplify right side
    11,091.41x = 97,583,136.07
  5. Step 5: Solve for x
    x = 97,583,136.07/11,091.41
  6. Step 6: Final answer
    x = 8,798.08

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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.