Home / 11,232.12-16,853.04-5,388.80

Finding the Fourth Proportional to 11,232.12, 16,853.04 and 5,388.80

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Solution

The fourth proportional to 11,232.12, 16,853.04 and 5,388.80 is: 8,085.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.12 : 16,853.04 = 5,388.80 : x
  2. Step 2: Convert to fraction form
    11,232.12/16,853.04 = 5,388.80/x
  3. Step 3: Cross multiply
    11,232.12x = 16,853.04 × 5,388.80
  4. Step 4: Simplify right side
    11,232.12x = 90,817,661.95
  5. Step 5: Solve for x
    x = 90,817,661.95/11,232.12
  6. Step 6: Final answer
    x = 8,085.53

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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.