Home / 12,233.68-16,877.73-8,653.90

Finding the Fourth Proportional to 12,233.68, 16,877.73 and 8,653.90

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Solution

The fourth proportional to 12,233.68, 16,877.73 and 8,653.90 is: 11,939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,233.68 : 16,877.73 = 8,653.90 : x
  2. Step 2: Convert to fraction form
    12,233.68/16,877.73 = 8,653.90/x
  3. Step 3: Cross multiply
    12,233.68x = 16,877.73 × 8,653.90
  4. Step 4: Simplify right side
    12,233.68x = 146,058,187.65
  5. Step 5: Solve for x
    x = 146,058,187.65/12,233.68
  6. Step 6: Final answer
    x = 11,939.02

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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.