Home / 11,010.13-16,515.12-2,690.19

Finding the Fourth Proportional to 11,010.13, 16,515.12 and 2,690.19

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Solution

The fourth proportional to 11,010.13, 16,515.12 and 2,690.19 is: 4,035.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.13 : 16,515.12 = 2,690.19 : x
  2. Step 2: Convert to fraction form
    11,010.13/16,515.12 = 2,690.19/x
  3. Step 3: Cross multiply
    11,010.13x = 16,515.12 × 2,690.19
  4. Step 4: Simplify right side
    11,010.13x = 44,428,801.80
  5. Step 5: Solve for x
    x = 44,428,801.80/11,010.13
  6. Step 6: Final answer
    x = 4,035.27

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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.