Home / 12,432.23-17,156.46-6,843.23

Finding the Fourth Proportional to 12,432.23, 17,156.46 and 6,843.23

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Solution

The fourth proportional to 12,432.23, 17,156.46 and 6,843.23 is: 9,443.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.23 : 17,156.46 = 6,843.23 : x
  2. Step 2: Convert to fraction form
    12,432.23/17,156.46 = 6,843.23/x
  3. Step 3: Cross multiply
    12,432.23x = 17,156.46 × 6,843.23
  4. Step 4: Simplify right side
    12,432.23x = 117,405,515.98
  5. Step 5: Solve for x
    x = 117,405,515.98/12,432.23
  6. Step 6: Final answer
    x = 9,443.64

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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.