Home / 12,550.44-17,320.40-7,245.60

Finding the Fourth Proportional to 12,550.44, 17,320.40 and 7,245.60

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Solution

The fourth proportional to 12,550.44, 17,320.40 and 7,245.60 is: 9,999.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.44 : 17,320.40 = 7,245.60 : x
  2. Step 2: Convert to fraction form
    12,550.44/17,320.40 = 7,245.60/x
  3. Step 3: Cross multiply
    12,550.44x = 17,320.40 × 7,245.60
  4. Step 4: Simplify right side
    12,550.44x = 125,496,690.24
  5. Step 5: Solve for x
    x = 125,496,690.24/12,550.44
  6. Step 6: Final answer
    x = 9,999.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.