Home / 11,140.74-16,712.22-4,122.63

Finding the Fourth Proportional to 11,140.74, 16,712.22 and 4,122.63

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Solution

The fourth proportional to 11,140.74, 16,712.22 and 4,122.63 is: 6,184.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.74 : 16,712.22 = 4,122.63 : x
  2. Step 2: Convert to fraction form
    11,140.74/16,712.22 = 4,122.63/x
  3. Step 3: Cross multiply
    11,140.74x = 16,712.22 × 4,122.63
  4. Step 4: Simplify right side
    11,140.74x = 68,898,299.54
  5. Step 5: Solve for x
    x = 68,898,299.54/11,140.74
  6. Step 6: Final answer
    x = 6,184.36

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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.