Home / 11,085.12-16,625.52-5,240.88

Finding the Fourth Proportional to 11,085.12, 16,625.52 and 5,240.88

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Solution

The fourth proportional to 11,085.12, 16,625.52 and 5,240.88 is: 7,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.12 : 16,625.52 = 5,240.88 : x
  2. Step 2: Convert to fraction form
    11,085.12/16,625.52 = 5,240.88/x
  3. Step 3: Cross multiply
    11,085.12x = 16,625.52 × 5,240.88
  4. Step 4: Simplify right side
    11,085.12x = 87,132,355.26
  5. Step 5: Solve for x
    x = 87,132,355.26/11,085.12
  6. Step 6: Final answer
    x = 7,860.30

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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.