Home / 12,099.60-18,144.76-4,703.08

Finding the Fourth Proportional to 12,099.60, 18,144.76 and 4,703.08

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Solution

The fourth proportional to 12,099.60, 18,144.76 and 4,703.08 is: 7,052.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.60 : 18,144.76 = 4,703.08 : x
  2. Step 2: Convert to fraction form
    12,099.60/18,144.76 = 4,703.08/x
  3. Step 3: Cross multiply
    12,099.60x = 18,144.76 × 4,703.08
  4. Step 4: Simplify right side
    12,099.60x = 85,336,257.86
  5. Step 5: Solve for x
    x = 85,336,257.86/12,099.60
  6. Step 6: Final answer
    x = 7,052.82

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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.