Home / 12,173.20-16,799.10-7,698.88

Finding the Fourth Proportional to 12,173.20, 16,799.10 and 7,698.88

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Solution

The fourth proportional to 12,173.20, 16,799.10 and 7,698.88 is: 10,624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.20 : 16,799.10 = 7,698.88 : x
  2. Step 2: Convert to fraction form
    12,173.20/16,799.10 = 7,698.88/x
  3. Step 3: Cross multiply
    12,173.20x = 16,799.10 × 7,698.88
  4. Step 4: Simplify right side
    12,173.20x = 129,334,255.01
  5. Step 5: Solve for x
    x = 129,334,255.01/12,173.20
  6. Step 6: Final answer
    x = 10,624.51

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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.