Home / 12,581.46-17,366.40-8,601.12

Finding the Fourth Proportional to 12,581.46, 17,366.40 and 8,601.12

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Solution

The fourth proportional to 12,581.46, 17,366.40 and 8,601.12 is: 11,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581.46 : 17,366.40 = 8,601.12 : x
  2. Step 2: Convert to fraction form
    12,581.46/17,366.40 = 8,601.12/x
  3. Step 3: Cross multiply
    12,581.46x = 17,366.40 × 8,601.12
  4. Step 4: Simplify right side
    12,581.46x = 149,370,490.37
  5. Step 5: Solve for x
    x = 149,370,490.37/12,581.46
  6. Step 6: Final answer
    x = 11,872.27

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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.