Home / 12,025.88-16,595.61-6,720.56

Finding the Fourth Proportional to 12,025.88, 16,595.61 and 6,720.56

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Solution

The fourth proportional to 12,025.88, 16,595.61 and 6,720.56 is: 9,274.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.88 : 16,595.61 = 6,720.56 : x
  2. Step 2: Convert to fraction form
    12,025.88/16,595.61 = 6,720.56/x
  3. Step 3: Cross multiply
    12,025.88x = 16,595.61 × 6,720.56
  4. Step 4: Simplify right side
    12,025.88x = 111,531,792.74
  5. Step 5: Solve for x
    x = 111,531,792.74/12,025.88
  6. Step 6: Final answer
    x = 9,274.31

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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.