Home / 12,175.20-16,800.98-6,798.14

Finding the Fourth Proportional to 12,175.20, 16,800.98 and 6,798.14

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Solution

The fourth proportional to 12,175.20, 16,800.98 and 6,798.14 is: 9,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.20 : 16,800.98 = 6,798.14 : x
  2. Step 2: Convert to fraction form
    12,175.20/16,800.98 = 6,798.14/x
  3. Step 3: Cross multiply
    12,175.20x = 16,800.98 × 6,798.14
  4. Step 4: Simplify right side
    12,175.20x = 114,215,359.19
  5. Step 5: Solve for x
    x = 114,215,359.19/12,175.20
  6. Step 6: Final answer
    x = 9,380.98

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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.