Home / 12,025.92-16,596-6,720.60

Finding the Fourth Proportional to 12,025.92, 16,596 and 6,720.60

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Solution

The fourth proportional to 12,025.92, 16,596 and 6,720.60 is: 9,274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.92 : 16,596 = 6,720.60 : x
  2. Step 2: Convert to fraction form
    12,025.92/16,596 = 6,720.60/x
  3. Step 3: Cross multiply
    12,025.92x = 16,596 × 6,720.60
  4. Step 4: Simplify right side
    12,025.92x = 111,535,077.60
  5. Step 5: Solve for x
    x = 111,535,077.60/12,025.92
  6. Step 6: Final answer
    x = 9,274.56

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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.