Home / 12,224.92-16,870.24-6,635.92

Finding the Fourth Proportional to 12,224.92, 16,870.24 and 6,635.92

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Solution

The fourth proportional to 12,224.92, 16,870.24 and 6,635.92 is: 9,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.92 : 16,870.24 = 6,635.92 : x
  2. Step 2: Convert to fraction form
    12,224.92/16,870.24 = 6,635.92/x
  3. Step 3: Cross multiply
    12,224.92x = 16,870.24 × 6,635.92
  4. Step 4: Simplify right side
    12,224.92x = 111,949,563.02
  5. Step 5: Solve for x
    x = 111,949,563.02/12,224.92
  6. Step 6: Final answer
    x = 9,157.49

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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.