Home / 11,140.71-16,711.56-6,206.61

Finding the Fourth Proportional to 11,140.71, 16,711.56 and 6,206.61

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Solution

The fourth proportional to 11,140.71, 16,711.56 and 6,206.61 is: 9,310.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.71 : 16,711.56 = 6,206.61 : x
  2. Step 2: Convert to fraction form
    11,140.71/16,711.56 = 6,206.61/x
  3. Step 3: Cross multiply
    11,140.71x = 16,711.56 × 6,206.61
  4. Step 4: Simplify right side
    11,140.71x = 103,722,135.41
  5. Step 5: Solve for x
    x = 103,722,135.41/11,140.71
  6. Step 6: Final answer
    x = 9,310.19

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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.