Home / 10,186.41-15,267.38-8,845.41

Finding the Fourth Proportional to 10,186.41, 15,267.38 and 8,845.41

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Solution

The fourth proportional to 10,186.41, 15,267.38 and 8,845.41 is: 13,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.41 : 15,267.38 = 8,845.41 : x
  2. Step 2: Convert to fraction form
    10,186.41/15,267.38 = 8,845.41/x
  3. Step 3: Cross multiply
    10,186.41x = 15,267.38 × 8,845.41
  4. Step 4: Simplify right side
    10,186.41x = 135,046,191.50
  5. Step 5: Solve for x
    x = 135,046,191.50/10,186.41
  6. Step 6: Final answer
    x = 13,257.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.