Home / 11,131.90-16,686.51-6,200.62

Finding the Fourth Proportional to 11,131.90, 16,686.51 and 6,200.62

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Solution

The fourth proportional to 11,131.90, 16,686.51 and 6,200.62 is: 9,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.90 : 16,686.51 = 6,200.62 : x
  2. Step 2: Convert to fraction form
    11,131.90/16,686.51 = 6,200.62/x
  3. Step 3: Cross multiply
    11,131.90x = 16,686.51 × 6,200.62
  4. Step 4: Simplify right side
    11,131.90x = 103,466,707.64
  5. Step 5: Solve for x
    x = 103,466,707.64/11,131.90
  6. Step 6: Final answer
    x = 9,294.61

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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.