Home / 12,441.60-18,649.44-6,525.36

Finding the Fourth Proportional to 12,441.60, 18,649.44 and 6,525.36

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Solution

The fourth proportional to 12,441.60, 18,649.44 and 6,525.36 is: 9,781.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.60 : 18,649.44 = 6,525.36 : x
  2. Step 2: Convert to fraction form
    12,441.60/18,649.44 = 6,525.36/x
  3. Step 3: Cross multiply
    12,441.60x = 18,649.44 × 6,525.36
  4. Step 4: Simplify right side
    12,441.60x = 121,694,309.80
  5. Step 5: Solve for x
    x = 121,694,309.80/12,441.60
  6. Step 6: Final answer
    x = 9,781.24

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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.