Home / 12,180.26-16,808.34-6,802.98

Finding the Fourth Proportional to 12,180.26, 16,808.34 and 6,802.98

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Solution

The fourth proportional to 12,180.26, 16,808.34 and 6,802.98 is: 9,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180.26 : 16,808.34 = 6,802.98 : x
  2. Step 2: Convert to fraction form
    12,180.26/16,808.34 = 6,802.98/x
  3. Step 3: Cross multiply
    12,180.26x = 16,808.34 × 6,802.98
  4. Step 4: Simplify right side
    12,180.26x = 114,346,800.85
  5. Step 5: Solve for x
    x = 114,346,800.85/12,180.26
  6. Step 6: Final answer
    x = 9,387.88

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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.