Home / 11,010.32-16,515.28-2,690.12

Finding the Fourth Proportional to 11,010.32, 16,515.28 and 2,690.12

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Solution

The fourth proportional to 11,010.32, 16,515.28 and 2,690.12 is: 4,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.32 : 16,515.28 = 2,690.12 : x
  2. Step 2: Convert to fraction form
    11,010.32/16,515.28 = 2,690.12/x
  3. Step 3: Cross multiply
    11,010.32x = 16,515.28 × 2,690.12
  4. Step 4: Simplify right side
    11,010.32x = 44,428,085.03
  5. Step 5: Solve for x
    x = 44,428,085.03/11,010.32
  6. Step 6: Final answer
    x = 4,035.13

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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.