Home / 11,261.67-15,540.98-6,225.90

Finding the Fourth Proportional to 11,261.67, 15,540.98 and 6,225.90

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Solution

The fourth proportional to 11,261.67, 15,540.98 and 6,225.90 is: 8,591.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.67 : 15,540.98 = 6,225.90 : x
  2. Step 2: Convert to fraction form
    11,261.67/15,540.98 = 6,225.90/x
  3. Step 3: Cross multiply
    11,261.67x = 15,540.98 × 6,225.90
  4. Step 4: Simplify right side
    11,261.67x = 96,756,556.25
  5. Step 5: Solve for x
    x = 96,756,556.25/11,261.67
  6. Step 6: Final answer
    x = 8,591.67

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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.