Home / 12,864.08-19,297.38-6,606.92

Finding the Fourth Proportional to 12,864.08, 19,297.38 and 6,606.92

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Solution

The fourth proportional to 12,864.08, 19,297.38 and 6,606.92 is: 9,911.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864.08 : 19,297.38 = 6,606.92 : x
  2. Step 2: Convert to fraction form
    12,864.08/19,297.38 = 6,606.92/x
  3. Step 3: Cross multiply
    12,864.08x = 19,297.38 × 6,606.92
  4. Step 4: Simplify right side
    12,864.08x = 127,496,245.87
  5. Step 5: Solve for x
    x = 127,496,245.87/12,864.08
  6. Step 6: Final answer
    x = 9,911.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.