Home / 12,424.20-17,144.46-6,835.56

Finding the Fourth Proportional to 12,424.20, 17,144.46 and 6,835.56

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Solution

The fourth proportional to 12,424.20, 17,144.46 and 6,835.56 is: 9,432.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.20 : 17,144.46 = 6,835.56 : x
  2. Step 2: Convert to fraction form
    12,424.20/17,144.46 = 6,835.56/x
  3. Step 3: Cross multiply
    12,424.20x = 17,144.46 × 6,835.56
  4. Step 4: Simplify right side
    12,424.20x = 117,191,985.00
  5. Step 5: Solve for x
    x = 117,191,985.00/12,424.20
  6. Step 6: Final answer
    x = 9,432.56

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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.