Home / 12,288.11-16,956.68-7,252.02

Finding the Fourth Proportional to 12,288.11, 16,956.68 and 7,252.02

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Solution

The fourth proportional to 12,288.11, 16,956.68 and 7,252.02 is: 10,007.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288.11 : 16,956.68 = 7,252.02 : x
  2. Step 2: Convert to fraction form
    12,288.11/16,956.68 = 7,252.02/x
  3. Step 3: Cross multiply
    12,288.11x = 16,956.68 × 7,252.02
  4. Step 4: Simplify right side
    12,288.11x = 122,970,146.23
  5. Step 5: Solve for x
    x = 122,970,146.23/12,288.11
  6. Step 6: Final answer
    x = 10,007.25

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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.