Home / 9,792.45-14,687.19-3,218.76

Finding the Fourth Proportional to 9,792.45, 14,687.19 and 3,218.76

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Solution

The fourth proportional to 9,792.45, 14,687.19 and 3,218.76 is: 4,827.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792.45 : 14,687.19 = 3,218.76 : x
  2. Step 2: Convert to fraction form
    9,792.45/14,687.19 = 3,218.76/x
  3. Step 3: Cross multiply
    9,792.45x = 14,687.19 × 3,218.76
  4. Step 4: Simplify right side
    9,792.45x = 47,274,539.68
  5. Step 5: Solve for x
    x = 47,274,539.68/9,792.45
  6. Step 6: Final answer
    x = 4,827.65

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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.