Home / 11,232.80-16,824.90-7,296.20

Finding the Fourth Proportional to 11,232.80, 16,824.90 and 7,296.20

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Solution

The fourth proportional to 11,232.80, 16,824.90 and 7,296.20 is: 10,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.80 : 16,824.90 = 7,296.20 : x
  2. Step 2: Convert to fraction form
    11,232.80/16,824.90 = 7,296.20/x
  3. Step 3: Cross multiply
    11,232.80x = 16,824.90 × 7,296.20
  4. Step 4: Simplify right side
    11,232.80x = 122,757,835.38
  5. Step 5: Solve for x
    x = 122,757,835.38/11,232.80
  6. Step 6: Final answer
    x = 10,928.52

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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.