Home / 12,140.73-16,754.27-6,835.64

Finding the Fourth Proportional to 12,140.73, 16,754.27 and 6,835.64

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Solution

The fourth proportional to 12,140.73, 16,754.27 and 6,835.64 is: 9,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140.73 : 16,754.27 = 6,835.64 : x
  2. Step 2: Convert to fraction form
    12,140.73/16,754.27 = 6,835.64/x
  3. Step 3: Cross multiply
    12,140.73x = 16,754.27 × 6,835.64
  4. Step 4: Simplify right side
    12,140.73x = 114,526,040.23
  5. Step 5: Solve for x
    x = 114,526,040.23/12,140.73
  6. Step 6: Final answer
    x = 9,433.21

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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.