Home / 11,191.41-15,450.48-10,056.60

Finding the Fourth Proportional to 11,191.41, 15,450.48 and 10,056.60

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Solution

The fourth proportional to 11,191.41, 15,450.48 and 10,056.60 is: 13,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.41 : 15,450.48 = 10,056.60 : x
  2. Step 2: Convert to fraction form
    11,191.41/15,450.48 = 10,056.60/x
  3. Step 3: Cross multiply
    11,191.41x = 15,450.48 × 10,056.60
  4. Step 4: Simplify right side
    11,191.41x = 155,379,297.17
  5. Step 5: Solve for x
    x = 155,379,297.17/11,191.41
  6. Step 6: Final answer
    x = 13,883.80

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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.