Home / 8,125.48-12,188.66-2,282.56

Finding the Fourth Proportional to 8,125.48, 12,188.66 and 2,282.56

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Solution

The fourth proportional to 8,125.48, 12,188.66 and 2,282.56 is: 3,423.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.48 : 12,188.66 = 2,282.56 : x
  2. Step 2: Convert to fraction form
    8,125.48/12,188.66 = 2,282.56/x
  3. Step 3: Cross multiply
    8,125.48x = 12,188.66 × 2,282.56
  4. Step 4: Simplify right side
    8,125.48x = 27,821,347.77
  5. Step 5: Solve for x
    x = 27,821,347.77/8,125.48
  6. Step 6: Final answer
    x = 3,423.96

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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.