Home / 8,152.33-11,257.11-5,173.45

Finding the Fourth Proportional to 8,152.33, 11,257.11 and 5,173.45

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Solution

The fourth proportional to 8,152.33, 11,257.11 and 5,173.45 is: 7,143.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.33 : 11,257.11 = 5,173.45 : x
  2. Step 2: Convert to fraction form
    8,152.33/11,257.11 = 5,173.45/x
  3. Step 3: Cross multiply
    8,152.33x = 11,257.11 × 5,173.45
  4. Step 4: Simplify right side
    8,152.33x = 58,238,095.73
  5. Step 5: Solve for x
    x = 58,238,095.73/8,152.33
  6. Step 6: Final answer
    x = 7,143.74

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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.