Home / 12,140.10-16,754.94-6,835.95

Finding the Fourth Proportional to 12,140.10, 16,754.94 and 6,835.95

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Solution

The fourth proportional to 12,140.10, 16,754.94 and 6,835.95 is: 9,434.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140.10 : 16,754.94 = 6,835.95 : x
  2. Step 2: Convert to fraction form
    12,140.10/16,754.94 = 6,835.95/x
  3. Step 3: Cross multiply
    12,140.10x = 16,754.94 × 6,835.95
  4. Step 4: Simplify right side
    12,140.10x = 114,535,956.89
  5. Step 5: Solve for x
    x = 114,535,956.89/12,140.10
  6. Step 6: Final answer
    x = 9,434.51

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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.