Home / 12,025.64-16,596.12-6,720.88

Finding the Fourth Proportional to 12,025.64, 16,596.12 and 6,720.88

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Solution

The fourth proportional to 12,025.64, 16,596.12 and 6,720.88 is: 9,275.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.64 : 16,596.12 = 6,720.88 : x
  2. Step 2: Convert to fraction form
    12,025.64/16,596.12 = 6,720.88/x
  3. Step 3: Cross multiply
    12,025.64x = 16,596.12 × 6,720.88
  4. Step 4: Simplify right side
    12,025.64x = 111,540,530.99
  5. Step 5: Solve for x
    x = 111,540,530.99/12,025.64
  6. Step 6: Final answer
    x = 9,275.23

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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.