Home / 11,085.13-16,615.14-3,687.85

Finding the Fourth Proportional to 11,085.13, 16,615.14 and 3,687.85

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Solution

The fourth proportional to 11,085.13, 16,615.14 and 3,687.85 is: 5,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.13 : 16,615.14 = 3,687.85 : x
  2. Step 2: Convert to fraction form
    11,085.13/16,615.14 = 3,687.85/x
  3. Step 3: Cross multiply
    11,085.13x = 16,615.14 × 3,687.85
  4. Step 4: Simplify right side
    11,085.13x = 61,274,144.05
  5. Step 5: Solve for x
    x = 61,274,144.05/11,085.13
  6. Step 6: Final answer
    x = 5,527.60

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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.