Home / 12,260.72-16,919.88-6,671.84

Finding the Fourth Proportional to 12,260.72, 16,919.88 and 6,671.84

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Solution

The fourth proportional to 12,260.72, 16,919.88 and 6,671.84 is: 9,207.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.72 : 16,919.88 = 6,671.84 : x
  2. Step 2: Convert to fraction form
    12,260.72/16,919.88 = 6,671.84/x
  3. Step 3: Cross multiply
    12,260.72x = 16,919.88 × 6,671.84
  4. Step 4: Simplify right side
    12,260.72x = 112,886,732.18
  5. Step 5: Solve for x
    x = 112,886,732.18/12,260.72
  6. Step 6: Final answer
    x = 9,207.19

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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.