Home / 11,137.84-16,708.61-4,117.87

Finding the Fourth Proportional to 11,137.84, 16,708.61 and 4,117.87

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Solution

The fourth proportional to 11,137.84, 16,708.61 and 4,117.87 is: 6,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.84 : 16,708.61 = 4,117.87 : x
  2. Step 2: Convert to fraction form
    11,137.84/16,708.61 = 4,117.87/x
  3. Step 3: Cross multiply
    11,137.84x = 16,708.61 × 4,117.87
  4. Step 4: Simplify right side
    11,137.84x = 68,803,883.86
  5. Step 5: Solve for x
    x = 68,803,883.86/11,137.84
  6. Step 6: Final answer
    x = 6,177.49

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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.