Home / 9,146.91-13,705.79-5,857.30

Finding the Fourth Proportional to 9,146.91, 13,705.79 and 5,857.30

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Solution

The fourth proportional to 9,146.91, 13,705.79 and 5,857.30 is: 8,776.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.91 : 13,705.79 = 5,857.30 : x
  2. Step 2: Convert to fraction form
    9,146.91/13,705.79 = 5,857.30/x
  3. Step 3: Cross multiply
    9,146.91x = 13,705.79 × 5,857.30
  4. Step 4: Simplify right side
    9,146.91x = 80,278,923.77
  5. Step 5: Solve for x
    x = 80,278,923.77/9,146.91
  6. Step 6: Final answer
    x = 8,776.62

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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.