Home / 12,243.22-16,896.67-6,865.57

Finding the Fourth Proportional to 12,243.22, 16,896.67 and 6,865.57

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Solution

The fourth proportional to 12,243.22, 16,896.67 and 6,865.57 is: 9,475.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.22 : 16,896.67 = 6,865.57 : x
  2. Step 2: Convert to fraction form
    12,243.22/16,896.67 = 6,865.57/x
  3. Step 3: Cross multiply
    12,243.22x = 16,896.67 × 6,865.57
  4. Step 4: Simplify right side
    12,243.22x = 116,005,274.61
  5. Step 5: Solve for x
    x = 116,005,274.61/12,243.22
  6. Step 6: Final answer
    x = 9,475.06

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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.