Home / 11,787.71-16,265.01-6,682.99

Finding the Fourth Proportional to 11,787.71, 16,265.01 and 6,682.99

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Solution

The fourth proportional to 11,787.71, 16,265.01 and 6,682.99 is: 9,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.71 : 16,265.01 = 6,682.99 : x
  2. Step 2: Convert to fraction form
    11,787.71/16,265.01 = 6,682.99/x
  3. Step 3: Cross multiply
    11,787.71x = 16,265.01 × 6,682.99
  4. Step 4: Simplify right side
    11,787.71x = 108,698,899.18
  5. Step 5: Solve for x
    x = 108,698,899.18/11,787.71
  6. Step 6: Final answer
    x = 9,221.38

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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.