Home / 12,142.06-16,754.76-6,836.76

Finding the Fourth Proportional to 12,142.06, 16,754.76 and 6,836.76

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Solution

The fourth proportional to 12,142.06, 16,754.76 and 6,836.76 is: 9,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,142.06 : 16,754.76 = 6,836.76 : x
  2. Step 2: Convert to fraction form
    12,142.06/16,754.76 = 6,836.76/x
  3. Step 3: Cross multiply
    12,142.06x = 16,754.76 × 6,836.76
  4. Step 4: Simplify right side
    12,142.06x = 114,548,272.98
  5. Step 5: Solve for x
    x = 114,548,272.98/12,142.06
  6. Step 6: Final answer
    x = 9,434.01

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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.