Home / 11,671.42-16,106.55-6,366.22

Finding the Fourth Proportional to 11,671.42, 16,106.55 and 6,366.22

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Solution

The fourth proportional to 11,671.42, 16,106.55 and 6,366.22 is: 8,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.42 : 16,106.55 = 6,366.22 : x
  2. Step 2: Convert to fraction form
    11,671.42/16,106.55 = 6,366.22/x
  3. Step 3: Cross multiply
    11,671.42x = 16,106.55 × 6,366.22
  4. Step 4: Simplify right side
    11,671.42x = 102,537,840.74
  5. Step 5: Solve for x
    x = 102,537,840.74/11,671.42
  6. Step 6: Final answer
    x = 8,785.38

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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.