Home / 12,079.62-16,662.18-8,727.35

Finding the Fourth Proportional to 12,079.62, 16,662.18 and 8,727.35

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Solution

The fourth proportional to 12,079.62, 16,662.18 and 8,727.35 is: 12,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.62 : 16,662.18 = 8,727.35 : x
  2. Step 2: Convert to fraction form
    12,079.62/16,662.18 = 8,727.35/x
  3. Step 3: Cross multiply
    12,079.62x = 16,662.18 × 8,727.35
  4. Step 4: Simplify right side
    12,079.62x = 145,416,676.62
  5. Step 5: Solve for x
    x = 145,416,676.62/12,079.62
  6. Step 6: Final answer
    x = 12,038.18

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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.