Home / 12,262.20-16,921.29-6,958.02

Finding the Fourth Proportional to 12,262.20, 16,921.29 and 6,958.02

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Solution

The fourth proportional to 12,262.20, 16,921.29 and 6,958.02 is: 9,601.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.20 : 16,921.29 = 6,958.02 : x
  2. Step 2: Convert to fraction form
    12,262.20/16,921.29 = 6,958.02/x
  3. Step 3: Cross multiply
    12,262.20x = 16,921.29 × 6,958.02
  4. Step 4: Simplify right side
    12,262.20x = 117,738,639.46
  5. Step 5: Solve for x
    x = 117,738,639.46/12,262.20
  6. Step 6: Final answer
    x = 9,601.75

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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.