Home / 8,231.14-11,358.93-4,454.30

Finding the Fourth Proportional to 8,231.14, 11,358.93 and 4,454.30

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Solution

The fourth proportional to 8,231.14, 11,358.93 and 4,454.30 is: 6,146.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.14 : 11,358.93 = 4,454.30 : x
  2. Step 2: Convert to fraction form
    8,231.14/11,358.93 = 4,454.30/x
  3. Step 3: Cross multiply
    8,231.14x = 11,358.93 × 4,454.30
  4. Step 4: Simplify right side
    8,231.14x = 50,596,095.05
  5. Step 5: Solve for x
    x = 50,596,095.05/8,231.14
  6. Step 6: Final answer
    x = 6,146.92

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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.