Home / 8,277.96-12,417.27-3,892.35

Finding the Fourth Proportional to 8,277.96, 12,417.27 and 3,892.35

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Solution

The fourth proportional to 8,277.96, 12,417.27 and 3,892.35 is: 5,838.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277.96 : 12,417.27 = 3,892.35 : x
  2. Step 2: Convert to fraction form
    8,277.96/12,417.27 = 3,892.35/x
  3. Step 3: Cross multiply
    8,277.96x = 12,417.27 × 3,892.35
  4. Step 4: Simplify right side
    8,277.96x = 48,332,360.88
  5. Step 5: Solve for x
    x = 48,332,360.88/8,277.96
  6. Step 6: Final answer
    x = 5,838.68

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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.