Home / 12,146.22-16,761.80-6,841.13

Finding the Fourth Proportional to 12,146.22, 16,761.80 and 6,841.13

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Solution

The fourth proportional to 12,146.22, 16,761.80 and 6,841.13 is: 9,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146.22 : 16,761.80 = 6,841.13 : x
  2. Step 2: Convert to fraction form
    12,146.22/16,761.80 = 6,841.13/x
  3. Step 3: Cross multiply
    12,146.22x = 16,761.80 × 6,841.13
  4. Step 4: Simplify right side
    12,146.22x = 114,669,586.13
  5. Step 5: Solve for x
    x = 114,669,586.13/12,146.22
  6. Step 6: Final answer
    x = 9,440.76

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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.