Home / 12,288.24-16,957.26-6,983.04

Finding the Fourth Proportional to 12,288.24, 16,957.26 and 6,983.04

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Solution

The fourth proportional to 12,288.24, 16,957.26 and 6,983.04 is: 9,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288.24 : 16,957.26 = 6,983.04 : x
  2. Step 2: Convert to fraction form
    12,288.24/16,957.26 = 6,983.04/x
  3. Step 3: Cross multiply
    12,288.24x = 16,957.26 × 6,983.04
  4. Step 4: Simplify right side
    12,288.24x = 118,413,224.87
  5. Step 5: Solve for x
    x = 118,413,224.87/12,288.24
  6. Step 6: Final answer
    x = 9,636.30

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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.