Home / 11,247.34-15,520.55-6,211.52

Finding the Fourth Proportional to 11,247.34, 15,520.55 and 6,211.52

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Solution

The fourth proportional to 11,247.34, 15,520.55 and 6,211.52 is: 8,571.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.34 : 15,520.55 = 6,211.52 : x
  2. Step 2: Convert to fraction form
    11,247.34/15,520.55 = 6,211.52/x
  3. Step 3: Cross multiply
    11,247.34x = 15,520.55 × 6,211.52
  4. Step 4: Simplify right side
    11,247.34x = 96,406,167.93
  5. Step 5: Solve for x
    x = 96,406,167.93/11,247.34
  6. Step 6: Final answer
    x = 8,571.46

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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.