Home / 11,220.30-16,810.20-6,536.48

Finding the Fourth Proportional to 11,220.30, 16,810.20 and 6,536.48

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Solution

The fourth proportional to 11,220.30, 16,810.20 and 6,536.48 is: 9,792.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.30 : 16,810.20 = 6,536.48 : x
  2. Step 2: Convert to fraction form
    11,220.30/16,810.20 = 6,536.48/x
  3. Step 3: Cross multiply
    11,220.30x = 16,810.20 × 6,536.48
  4. Step 4: Simplify right side
    11,220.30x = 109,879,452.05
  5. Step 5: Solve for x
    x = 109,879,452.05/11,220.30
  6. Step 6: Final answer
    x = 9,792.92

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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.