Home / 11,682.18-16,120.95-6,376.99

Finding the Fourth Proportional to 11,682.18, 16,120.95 and 6,376.99

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Solution

The fourth proportional to 11,682.18, 16,120.95 and 6,376.99 is: 8,800.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.18 : 16,120.95 = 6,376.99 : x
  2. Step 2: Convert to fraction form
    11,682.18/16,120.95 = 6,376.99/x
  3. Step 3: Cross multiply
    11,682.18x = 16,120.95 × 6,376.99
  4. Step 4: Simplify right side
    11,682.18x = 102,803,136.94
  5. Step 5: Solve for x
    x = 102,803,136.94/11,682.18
  6. Step 6: Final answer
    x = 8,800.00

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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.