Home / 11,209.70-16,818.15-4,967.30

Finding the Fourth Proportional to 11,209.70, 16,818.15 and 4,967.30

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Solution

The fourth proportional to 11,209.70, 16,818.15 and 4,967.30 is: 7,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.70 : 16,818.15 = 4,967.30 : x
  2. Step 2: Convert to fraction form
    11,209.70/16,818.15 = 4,967.30/x
  3. Step 3: Cross multiply
    11,209.70x = 16,818.15 × 4,967.30
  4. Step 4: Simplify right side
    11,209.70x = 83,540,796.50
  5. Step 5: Solve for x
    x = 83,540,796.50/11,209.70
  6. Step 6: Final answer
    x = 7,452.55

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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.