Home / 11,211.96-15,472.62-6,494.52

Finding the Fourth Proportional to 11,211.96, 15,472.62 and 6,494.52

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Solution

The fourth proportional to 11,211.96, 15,472.62 and 6,494.52 is: 8,962.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.96 : 15,472.62 = 6,494.52 : x
  2. Step 2: Convert to fraction form
    11,211.96/15,472.62 = 6,494.52/x
  3. Step 3: Cross multiply
    11,211.96x = 15,472.62 × 6,494.52
  4. Step 4: Simplify right side
    11,211.96x = 100,487,240.04
  5. Step 5: Solve for x
    x = 100,487,240.04/11,211.96
  6. Step 6: Final answer
    x = 8,962.50

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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.